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[[File:Mew duo.png|250px|right|thumb|Mew and Mewtwo as seen in ''[[Born to Be a Winner]]'']]
The '''Mew duo''' is a fan term for a [[Groups of Legendary and Mythical Pokémon|duo]] consisting of the [[Legendary Pokémon]] {{P|Mewtwo}} and the [[Mythical Pokémon]] {{P|Mew}}. They reside in the [[Kanto]] [[region]]. 

In the games, Mew and Mewtwo are usually treated as unrelated Pokémon, with Mewtwo's stats, level up moves, and treatment in the {{g|Stadium series}} being closer to that of the [[Tower duo]], while Mew's are closer to that of {{p|Celebi}}. The duo has often been paired together across all media.<ref>https://www.pokemon.jp/special/moyadoga/mew/</ref><ref>https://pokemonmezastar.com/event/e231214/</ref> Mew and Mewtwo have been described as rivals who fight each other to see who would win.<ref>[https://www.youtube.com/watch?v=61tCka2xsJY&t=1360s Pokémon Presents | Pokémon Presents 8.8.2023]</ref>

In the English version of ''[[M01|Mewtwo Strikes Back]]'', {{OBP|Mew|M01}} embodied innocence and joy to contrast with {{OBP|Mewtwo|M01}}'s cynicism and contempt developed from the course of its early life experiences. However, in the Japanese version, Mew becomes a foil to Mewtwo's status as a "copy" and the two fight to determine whether originals or clones are superior. It takes the sacrifice of [[Ash Ketchum]] to sway Mewtwo's contempt and end the conflict between Mew and Mewtwo.

==History and myths==
Mew and Mewtwo are introduced in [[Generation I]], where [[Pokémon Mansion journals|reports]] found in [[Cinnabar Island]]'s {{ka|Pokémon Mansion}} note scientific expeditions that sighted Mew in [[Guyana]], South America, the place where it was first discovered. It was worshiped for its protection by ancient people who lived there. This discovery of Mew would eventually lead to the creation of Mewtwo.

Mewtwo was created by altering the DNA of a Mew embryo. For a time, Mewtwo was held and studied in the [[Pokémon Mansion]] of [[Cinnabar Island]]. A scientist named [[Mr. Fuji|Dr. Fuji]] performed gene-splicing experiments on Mewtwo that made it both vicious and extremely powerful. Eventually, Mewtwo broke free of the mansion, destroying it in the process, and fled. Mewtwo then chose to reside in the [[Cerulean Cave]], a cave that only Trainers who have proven their skill at the Indigo Plateau can enter.

==In the cores series games==
===Mew===
{| style="float:right" 
| {{Compare|name=Mew|type=Psychic|ndex=151|ab=Synchronize|HP=100|Attack=100|Defense=100|SpAtk=100|SpDef=100|Speed=100}}
|}
{{main|Mew (Pokémon)}}
Mew, the New Species Pokémon, originated in [[Generation I]], where it can be encountered through a glitch in {{game|Red and Blue|s|Red and Blue}}.

Mew's stats are more balanced, having an equal 100 to each of its stats. Mew is notable for its unique ability to learn every [[TM|Technical Machine]], [[HM|Hidden Machine]], [[TR|Technical Record]], and [[Move Tutor]] move, except those exclusive to a particular Pokémon or group of Pokémon.
{{-}}

===Mewtwo===
{| style="float:right"
| {{Compare|name=Mewtwo|type=Psychic|ndex=150|ab=Pressure|HP=106|Attack=110|Defense=90|SpAtk=154|SpDef=90|Speed=130}}
|}
{{main|Mewtwo (Pokémon)}}
Mewtwo is the Genetic Pokémon, found in Cerulean Cave in any of the [[Generation I]] games, {{game|FireRed and LeafGreen|s|FireRed and LeafGreen}} and {{game|HeartGold and SoulSilver|s|HeartGold and SoulSilver}}. It can also be found in {{pkmn|X and Y}}.

Mewtwo's stats are more attack oriented than its counterpart, having an additional 80 to its base stat total. This is further boosted with an additional 100 base stats from either of its Mega Evolutions. Mewtwo's [[signature move]], {{m|Psystrike}} inflicts physical damage. Despite being classified as a special move, this move calculates damage using the user's Special Attack and the opponent's Defense stat (similar to Psyshock and Secret Sword). Despite targeting the opponent's Defense stat, the move's damage is unaffected by Reflect and it will not activate Counter; instead, it is affected by Light Screen and activates Mirror Coat.
{{-}}

===Pokémon Red, Blue and Yellow===
Mewtwo can be found in the deepest part of the Cerulean Cave. The player is only allowed to enter the Cave after entering the [[Hall of Fame]] at least once.

===Pokémon FireRed and LeafGreen===
Mewtwo can still be found in the deepest part of the Cerulean Cave. However the {{player}} must further prove themselves before entering the cave, which is done by completing the quest on [[Sevii Islands]] and restoring the Network Machine of the [[Pokémon Network Center]] to operational status.

===Pokémon Emerald===
Through an event using the [[Old Sea Map]], Mew can be encountered on [[Faraway Island]], where it will hide from the player within the tall grass.

===Pokémon Diamond, Pearl, and Platinum===
Mew can be transferred from [[My Pokémon Ranch]]. To obtain Mew in My Pokémon Ranch, the player needs to store 999 Pokémon at Hayley's Ranch, after which she will trade her Mew for a [[Pokémon Egg]]. In the Japanese version of Pokémon Platinum, this requires an update.

===Pokémon HeartGold and SoulSilver===
Unlike their original counterparts, [[Cerulean Cave]] has been rebuilt and Mewtwo can once again be found inside. An [[Non-player character|NPC]] blocks the entrance until the player has obtained all eight Kanto Gym [[Badge]]s.

===Pokémon X and Y===
Mewtwo can be found in the {{kal|Unknown Dungeon}} in the [[Pokémon Village]]. It stands in the center and can be battled. After it is captured, its [[Mega Stone]], respective to the version being played, will be automatically claimed. If it is not captured, the player may battle it again after entering the Hall of Fame at least once.

===Pokémon Ultra Sun and Ultra Moon===
Mewtwo can be found in the [[Ultra Space Wilds]] by following a green [[Ultra Wormhole]] to the Rocky World during the [[Ultra Warp Ride]].

===Pokémon Brilliant Diamond and Shining Pearl===
Mew can be obtained as a {{pkmn2|gift}} from an elderly woman at [[Floaroma Town]], provided there is save data for {{LGPE}} on the player's [[Nintendo Switch]]. Mewtwo can be encountered by inserting the [[Genome Slate]] in the Genome Room at [[Ramanas Park]] after capturing the [[legendary giants]], the [[Legendary beasts]] or [[legendary birds]], and the [[Eon duo]].

===Pokémon Scarlet and Violet===
[[File:Get Mew and Mewtwo.png|200px|thumb|right|Limited Mew and Mewtwo event.]]
Mew and Mewtwo can be transferred into the games through [[Pokémon HOME]]. The duo was also made available in a limited [[Poké Portal News]] event called '''Get Mew & Mewtwo!'''. Mew was unlockable through the [[Mystery Gift]] option from August 8, 2023 to September 18, 2023. The password needed for the Mew event was '''GETY0URMEW'''. Additionally, Mewtwo was available to encounter in a limited [[Tera Raid]] Battle event from August 31 to September 17, 2023. During the event, Mewtwo can be caught once per save file.

===Moveset comparison===
{| class="roundy" style="text-align:center; margin:auto; background: #{{psychic color}}; border: 3px solid #{{psychic color light}}"
|- 
! style="background:#{{psychic color dark}}; {{roundytl|5px}}" | {{color2|{{psychic color light}}|Level|Lv.}}
| style="background:#{{psychic color light}}" | [[File:150Mewtwo.png|96px]][[File:150Mewtwo-Mega X.png|96px]][[File:150Mewtwo-Mega Y.png|96px]]<br>{{pcolor|Mewtwo|{{psychic color dark}}}}<br><small>{{typecolor|Psychic}}</small>/<small>{{typecolor|Psychic}}{{typecolor|Fighting}}</small>
| style="background:#{{psychic color light}}; {{roundytr|5px}}" | [[File:151Mew.png|96px]]<br>{{pcolor|Mew|{{psychic color dark}}}}<br><small>{{typecolor|Psychic}}</small>
|- 
| rowspan="5" style="text-align:right; background:#{{Psychic color dark}}" | {{color|{{psychic color light}}|1}}
| style="background:#{{Water color light}}" | ''{{mcolor|Life Dew|{{Water color dark}}}}''
|-
| style="background:#{{Normal color light}}" | ''{{mcolor|Laser Focus|{{Normal color dark}}}}''
|- 
| style="background:#{{Normal color light}}" | ''{{mcolor|Disable|{{Normal color dark}}}}''
|- 
| style="background:#{{Psychic color light}}" | '''{{mcolor|Confusion|{{Psychic color dark}}}}'''
| style="background:#{{Normal color light}}" | {{mcolor|Pound|{{Normal color dark}}}}
|-
| style="background:#{{Normal color light}}" | {{mcolor|Swift|{{Normal color dark}}}}
| style="background:#{{Normal color light}}" | ''{{mcolor|Reflect Type|{{Normal color dark}}}}''
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|8}}
| style="background:#{{Rock color light}}" | {{mcolor|Ancient Power|{{Rock color dark}}}}
|
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|10}}
|
| style="background:#{{Psychic color light}}" | ''{{mcolor|Amnesia|{{Psychic color dark}}}}''
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|16}}
| style="background:#{{Psychic color light}}" | '''{{mcolor|Psycho Cut|{{Psychic color dark}}}}'''
|
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|20}}
|
| style="background:#{{Normal color light}}" | ''{{mcolor|Baton Pass|{{Normal color dark}}}}''
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|24}}
| style="background:#{{Normal color light}}" | ''{{mcolor|Safeguard|{{Normal color dark}}}}''
|
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|30}}
|
| style="background:#{{Rock color light}}" | {{mcolor|Ancient Power|{{Rock color dark}}}}
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|32}}
| style="background:#{{Psychic color light}}" | ''{{mcolor|Amnesia|{{Psychic color dark}}}}''
|
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|40}}
| style="background:#{{Fighting color light}}" | '''''{{mcolor|Aura Sphere|{{Fighting color dark}}}}'''''
| style="background:#{{Water color light}}" | ''{{mcolor|Life Dew|{{Water color dark}}}}''
|- 
| style="text-align:right; background:#{{Psychic color dark}}" | {{color|{{psychic color light}}|48}}
| style="background:#{{Psychic color light}}" | '''{{mcolor|Psychic|{{Psychic color dark}}}}'''
|
|-
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|50}}
|
| style="background:#{{Dark color light}}" | ''{{mcolor|Nasty Plot|{{Dark color dark}}}}''
|- 
| rowspan="2" style="text-align:right; background:#{{Psychic color dark}}" | {{color|{{psychic color light}}|56}}
| style="background:#{{Psychic color light}}" | ''{{mcolor|Power Swap|{{Psychic color dark}}}}''
|
|-
| style="background:#{{Psychic color light}}" | ''{{mcolor|Guard Swap|{{Psychic color dark}}}}''
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|60}}
|
| style="background:#{{Normal color light}}" | ''{{mcolor|Metronome|{{Normal color dark}}}}''
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|64}}
| style="background:#{{Ice color light}}" | ''{{mcolor|Mist|{{Ice color dark}}}}''
|
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|70}}
|
| style="background:#{{Psychic color light}}" | ''{{mcolor|Imprison|{{Psychic color dark}}}}''
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|72}}
| style="background:#{{Psychic color light}}" | '''{{mcolor|Psystrike|{{Psychic color dark}}}}'''
|
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|80}}
| style="background:#{{Normal color light}}" | ''{{mcolor|Recover|{{Normal color dark}}}}''
| style="background:#{{Normal color light}}" | ''{{mcolor|Transform|{{Normal color dark}}}}''
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|88}}
| style="background:#{{Psychic color light}}" | '''{{mcolor|Future Sight|{{Psychic color dark}}}}'''
|
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|90}}
|
| style="background:#{{Fighting color light}}" | {{mcolor|Aura Sphere|{{Fighting color dark}}}}
|- 
| style="text-align:right; background:#{{psychic color dark}}" | {{color|{{psychic color light}}|100}}
|
| style="background:#{{Psychic color light}}" | '''{{mcolor|Psychic|{{Psychic color dark}}}}'''
|- 
| colspan="3" style="background:#{{psychic color dark}}; color: #{{psychic color light}}; {{roundybottom|5px}}"| <small>Moves in '''bold''' get {{color2|{{psychic color light}}|Same-type attack bonus|STAB}}. Moves in ''italics'' do no damage. Moves in '''''bold italics''''' are only STAB for Mega Mewtwo X.</small>
|}{{-}}

==In the side series games==
===Pokémon Stadium series===
In {{g|Stadium}}, Mewtwo is the player's final opponent.

In [[Pokémon Stadium 2]], {{ga|Silver}} uses a Mewtwo in the final battle.

==In the spin-off games==
[[File:Pokkén Shadow Mewtwo.png|thumb|200px|Shadow Mewtwo in [[Pokkén Tournament]]]]
===Pokémon Pinball===
In {{g|Pinball}}, Mewtwo appears in its own bonus stage, where the player must attempt to hit it 25 times within the two-minute time limit to win. Playing this stage repeatedly is the fastest way to build a high score, due to the extremely high point output earned by hitting Mewtwo.

===Pokémon Puzzle League===
In {{g|Puzzle League}}, {{OBP|Mewtwo|M01}} is revealed to be the Puzzle Master, having organized the Puzzle League to find a worthy foe, and clones {{Ash}}'s Pokémon for a showdown with him. In the Very Hard and Super Hard modes, Mewtwo is the final opponent of the game.

===Pokémon Mystery Dungeon series===
In {{g|Mystery Dungeon: Red Rescue Team and Blue Rescue Team}}, Mewtwo is the focus of a minor post-game plot, where rumors and eyewitness accounts of an extremely powerful Pokémon in [[Western Cave]] reach [[Pokémon Square]], promoting the player's team to explore the cave and battle Mewtwo at the last floor. In the [[remake]] of these games, [[Pokémon Mystery Dungeon: Rescue Team DX|Rescue Team DX]], Mewtwo is able to [[Mega Evolution|Mega Evolve]].

In {{g|Mystery Dungeon: Explorers of Time and Explorers of Darkness}}, Mew is the guardian of the [[Seven Treasures|Grass Cornet]].

In {{g|Super Mystery Dungeon}}, Mewtwo is one of the many Pokémon to join the final battle against [[Dark Matter]]. During the post-game, it can be found and challenged on the [[Island of Isolation]], handing out the {{DL|Looplet|Mist Looplet}} upon its defeat. Mew also serves a notable role in the partner's backstory and the post-game plot, being the creator behind the player and partner's [[Harmony Scarf|Harmony Scarves]].

===PokéPark Wii: Pikachu's Adventure===
In [[PokéPark Wii: Pikachu's Adventure]], Mew takes {{OBP|Pikachu|PokéPark}} and their friends {{p|Chikorita}}, {{p|Piplup}}, and {{p|Charmander}} to {{ga|PokéPark}}. He then appears to Pikachu in a dream once they've arrived and tells them to collect pieces of the [[Sky Prism]] so that peace can be restored to PokéPark. Once all the pieces have been obtained, Mew awaits Pikachu at the [[Sky Pavilion]] where he plays. In this game, Mew is referred to as male, despite being gender unknown in the core series.

===Pokémon Ranger: Guardian Signs===
In {{g|Ranger: Guardian Signs}}, Mewtwo is the final boss of the game, battled once under the control of the evil [[Edward]] "The Thinker", and again under [[Purple Eyes]]. Before this, it is seen charging up in [[Kasa]]'s laboratory in the [[Sky Fortress]].

===Pokkén Tournament===
{{main|Shadow Mewtwo}}
Mewtwo appears as a playable character in [[Pokkén Tournament]]. In addition, the game also features an alternate Mewtwo form called Shadow Mewtwo, which has been corrupted and turned dark by the Shadow Synergy Stone. In the game's Story Mode, Shadow Mewtwo serves as the game's primary antagonist. Both playable Mewtwo characters are capable of [[Mega Evolution|Mega Evolving]] into Mega Mewtwo X. In the [[Nintendo Switch|Switch]] version of the game, Mew appears as a Support Pokémon alongside {{p|Celebi}}.

===Detective Pikachu series===
{{main|Mewtwo (Detective Pikachu)}}
In {{OBP|Detective Pikachu|video game}}, Mewtwo appears as a mysterious yet notable side character, involved in the disappearance of [[Tim Goodman]]'s father, [[Harry Goodman|Harry]], following a car accident. Its [[Berserk Gene]] is also utilized to create a drug called [[R]] that increases a Pokémon's power, but also drives them berserk. Mewtwo has tasked {{OBP|Detective Pikachu|character}} with tracking down the culprits using its genes to create the drug.

In [[Detective Pikachu Returns]], Mewtwo once again returns as a supporting character, being revealed to be in possession of Harry's body after saving his life.

===Pokémon Masters EX===
Both Mewtwo and Mew appear in [[Pokémon Masters EX]], forming [[sync pair]]s with the following Trainers:

{{PairDex/h|Psychic}}
{{PairDex|074|Giovanni|trainerlink=Giovanni (Masters)#Mewtwo|trainerimg=Giovanni|0150|Mewtwo|pokemonlink=Mewtwo (M01)|mega=Mewtwonite Y|form=[[Mega Evolution|Mega Mewtwo Y]]|Psychic|Dark|Special Strike|exrole=Field|6|Legendary Adventures<br>''Lurking Shadow''}}
{{PairDex|082|Professor Oak|trainerlink=Professor Oak (Masters)#Mew (Pre-Sync Move → Post-Sync Move)|trainerimg=Oak|0151|Mew|Psychic|Bug|Tech|3EX|Log-in from February 14 to March 16, 2020<br>and from August 28, 2020 indefinitely}}
|}

===Pokémon UNITE===
Both Mewtwo and Mew appear as playable Pokémon in {{g|UNITE}}. In this game, Mewtwo has two [[Unite License]]s, one which gives access to a melee Mewtwo that inflicts Attack damage and can Mega Evolve into Mega Mewtwo X, while the other gives access to a ranged Mewtwo that inflicts Special Attack damage and can Mega Evolve into Mega Mewtwo Y.

==In animation==
[[File:Mew M01.png|thumb|left|250px|Mew in ''[[M01|Mewtwo Strikes Back]]'']]
[[File:Mewtwo M01.png|thumb|250px|Mewtwo in ''[[M01|Mewtwo Strikes Back]]'']]
===''Pokémon the Series''===
In addition to their more significant appearances, Mewtwo and Mew appear in the intro or credits of several {{pkmn|movie}}s. The {{OBP|Mewtwo|M01}} from ''[[M01|Mewtwo Strikes Back]]'' appeared during the opening sequence of ''[[M06|Jirachi Wish Maker]]'' standing on a rooftop wearing a cape. The same Mewtwo and a Mew both cameo in the intro of ''[[M07|Destiny Deoxys]]''. This Mewtwo again appeared in the intro of ''[[M10|The Rise of Darkrai]]'', seen chasing a Mew. Both Mega Mewtwo X and Mega Mewtwo Y also appeared in the credits of ''[[M17|Diancie and the Cocoon of Destruction]]''. Additionally, a Mew made a cameo appearance in the ending credits of the [[Pikachu short]] ''[[PK24|Meloetta's Moonlight Serenade]]'', which aired alongside ''[[M15|Kyurem VS. The Sword of Justice]]''.

====''[[M01|Mewtwo Strikes Back]]''====
{{main|Mew (M01)}}
{{main|Mewtwo (M01)}}
Mew and Mewtwo first appeared in ''[[M01|Mewtwo Strikes Back]]'', where Mew was tracked by scientist, but was able to hide from them. Eventually Team Rocket scientist managed to create {{OBP|Mewtwo|M01}} by extracting DNA from Mew's eyelash. As a child, Mewtwo met and befriended a group of clones, but was the only one who survived the cloning process due to harboring Mew's eternal life force. After fully maturing, Mewtwo rebelled against his creators after discovering they only saw him as a mere tool.

Sometime later, Mewtwo on [[New Island]] issued a challenge to several strong Pokémon Trainers, including Ash Ketchum. It used its powers to create a storm that would serve as a test to see who could make it to the island. Only a handful of Trainers decided to brave the storm and arrive, including Ash and his friends. Upon revealing itself, Mewtwo challenged the Trainers with its clone Pokémon—Venusaur, Blastoise, and Charizard—to prove its superiority to human Trainers and the superiority of cloned Pokémon in comparison to trained Pokémon. As this goes on Mew came to New Island while the [[first partner Pokémon]] clones were battling. 

Mewtwo soon cloned all their Pokémon, as Mew followed [[Team Rocket]] into the main part of the island so it could stop Mewtwo from destroying the world. Soon a battle started between natural born and cloned Pokémon. However, before Mewtwo could defeat the Trainers and move out into the world, Mew appeared. Mew and Mewtwo fought at length, ceasing only when Ash—exasperated over the drawn-out and fruitless battling—ran into the fray and was caught in their crossfire, which turned his body to stone. After Ash was revived by the tears of the nearby Pokémon, clone and original alike, Mewtwo experienced a change of heart and no longer sought to conquer the world. Mewtwo reasoned that it would be best if no one remembered the events that had transpired, so it erased the memories of all the people and Pokémon and transported everyone but Team Rocket back to the mainland. Mewtwo and Mew left New Island with the cloned Pokémon to seek a proper place for themselves. Ash later catches a glimpse of Mew flying in the clouds.

===={{aniseries|OS}}====
A picture resembling Mewtwo appeared on the lighthouse door in ''[[EP013|Mystery at the Lighthouse]].''

While {{OBP|Mewtwo|M01}} has been the Pokémon of focus of a {{pkmn|movie}} and a [[List of animated series specials|special]], it also made brief appearances in ''[[EP063|The Battle of the Badge]]'' and ''[[EP065|Showdown at the Po-ké Corral]]'' in its body armor. The first instance was when {{an|Giovanni}} used it to battle [[Gary's Arcanine]] and {{p|Nidoking}}. The second time was when Mewtwo totaled Giovanni's headquarters and flew off. While a scene involving Mewtwo and Giovanni did appear in ''[[EP064|It's Mr. Mime Time]]'', it wasn't in the movie.

====''[[Mewtwo Returns]]''====
Mew makes a brief appearance in the hour-length special ''[[Mewtwo Returns]]''. {{OBP|Mewtwo|M01}} sees it after being thrown into the Purity Spring, but this was just his imagination.

====''[[M02|The Power of One]]''====
[[Lawrence III]]'s actions in ''[[M02|The Power of One]]'' were apparently set in motion due to an {{TCG ID|The Power of One|Ancient Mew|promo}} card; the card itself was actually shown in the movie.

====''[[M08|Lucario and the Mystery of Mew]]''====
{{main|Mew (M08)}}
In ''[[M08|Lucario and the Mystery of Mew]]'', another Mew first appeared transformed as a {{p|Ho-Oh}}, and then as a {{p|Taillow}}, landing on [[Cameran Palace]] and then {{m|transform}}ing into {{p|Treecko}}. It then transformed into an {{p|Aipom}} to play with [[Ash's Pikachu]]. {{Ash}} and {{ashfr}} released their Pokémon to play with what they thought was an Aipom. After taking them to an attic, [[Kidd Summers]] sent her two {{p|Weavile}} after it. To escape, it {{m|teleport}}ed itself, along with Pikachu and {{MTR}}. It then transformed once again into a {{p|Pidgeot}} and flew the Pokémon to the [[Tree of Beginning]]. While Ash and the others were looking for Pikachu, Mew kept it entertained with toys. Mew also nearly sacrificed itself to save the Tree of Beginning. {{mov|Lucario|Lucario|08}} stepped in and was able to save Mew, but ended up sacrificing itself. Mew is believed to still reside at the Tree of Beginning. It is last seen playing with a {{p|Bonsly}}.

====''[[The Mastermind of Mirage Pokémon]]''====
A {{pkmn2|mirage}} Mewtwo appears in ''[[The Mastermind of Mirage Pokémon]]'' and is the most powerful Pokémon controlled by the [[Dr. Yung|Mirage Master]].

===={{aniseries|DP}}====
A Mew appeared in the [[boss fantasy]] of ''[[DP092|A Lean Mean Team Rocket Machine!]]''. As of this episode, every {{cat|Generation I Pokémon}} has appeared in at least one episode of the {{pkmn|animated series}}.

===={{aniseries|BW}}====
A Mew appeared in {{an|Alexa}}'s [[Magazines in the Pokémon world|magazine]] in ''[[BW134|The Journalist from Another Region!]].''

====''[[M16|Genesect and the Legend Awakened]]''====
[[File:Mega Mewtwo X anime.png|thumb|250px|Mega Mewtwo X in ''[[M17|Diancie and the Cocoon of Destruction]]'']]
[[File:Mega Mewtwo Y anime.png|thumb|left|250px|Mega Mewtwo Y in ''[[M16|Genesect and the Legend Awakened]]'']]
{{main|Mewtwo (M16)}}
Another Mewtwo and its [[Mega Evolution]], Mega Mewtwo Y, debuted in the special episode ''[[Mewtwo — Prologue to Awakening]]'', a prologue to ''[[M16|Genesect and the Legend Awakened]]''. In the special, Mewtwo escaped from [[Mewtwo's creators|its creators]] and fought against a [[Pokémon hunter]] named [[Dirk]], while [[Virgil]] helped protect it. It reappeared in ''[[M16|Genesect and the Legend Awakened]]'' as both its normal form and Mega Mewtwo Y. At the beginning of the film, Mewtwo encountered the [[Genesect Army]], who were looking for their home after being recreated. After a short conflict, the Army departed, and Mewtwo followed them to [[New Tork City]]. It met {{Ash}} and {{ashfr}}, then got into a great conflict with the Red Genesect leading the Army. An image of Mew appeared on a computer screen used by [[Mewtwo's creators]] in ''[[M16|Genesect and the Legend Awakened]]''.

====[[Mega Evolution Specials]]====
Two Mewtwo appeared in the introduction to ''[[XYS01|Mega Evolution Special I]]'' of {{aniseries|XY}}, one as Mega Mewtwo X and one as Mega Mewtwo Y. 

====''[[M17|Diancie and the Cocoon of Destruction]]''====
A Mega Mewtwo X briefly appeared in the end credits of ''[[M17|Diancie and the Cocoon of Destruction]]'' along with other Mega-Evolved Pokémon.

===={{aniseries|SM}}====
A Mew briefly appears in ''[[SM042|Alola, Kanto!]]'', implied to be the only Kanto Pokémon that {{Rotom}} failed to get a [[Photography|picture]] of during the [[Pokémon School]] class's visit to Kanto.

===={{aniseries|JN}}====
{{main|Mew (anime)}}
Mew plays a notable role in {{aniseries|JN}}, first appearing in ''[[JN001|Enter Pikachu]]'' and serving as the main motivator for [[Goh]] throughout the series. He eventually joined the [[Project Mew]] research team led by [[Professor Amaranth]] to further his goal of catching the Mythical Pokémon, and ended up joining their expedition to [[Faraway Island]] to find it.

Ash and Goh also had an encounter with the original Mewtwo, meeting it on [[Cero Island]] in ''[[JN046|Getting More Than You Battled For!]]''. They had a battle against Mewtwo to prove their conviction to their dreams, which remained steadfast despite them losing. Mewtwo subsequently left the island, making one more brief cameo appearance in ''[[JN136|This Could be the Start of Something Big!]]''.

===Pokémon Origins===
Mewtwo appeared in the [[Pokémon Origins]] episode ''[[PO04|File 4: Charizard]]''. After finding out about its existence from {{OBP|Blue|Origins}}, {{OBP|Red|Origins}} entered [[Cerulean Cave]] in order to add Mewtwo's data to the [[Pokédex]]. In a fierce battle that wiped out almost all of Red's Pokémon, Mewtwo was finally defeated by [[Red's Charizard]] after it Mega Evolved into Mega Charizard X. Red then proceeded to capture Mewtwo, making his collection of the 150 known Pokémon complete. As Red, Blue and Prof. Oak, talk about the former capturing Mewtwo, Red realizes that Mewtwo was created from a Pokémon named Mew, which means that there is still one more Pokémon out there for him to catch. Unnoticed by anyone, a Mew suddenly appears outside of the window. Apparently having heard Red's words, it smiles teasingly before flying away.

==In the manga==
[[File:Mewtwo Adventures.png|thumb|left|220px|Mewtwo in [[Pokémon Adventures]]]]
[[File:Mew Adventures.png|thumb|220px|Mew in [[Pokémon Adventures]]]]
===Pokémon Adventures===
{{main|Mew (Adventures)}}
{{main|Mewtwo (Adventures)}}
===={{MangaArc|Red, Green & Blue}}====
Mew debuted in ''[[PS001|A Glimpse of the Glow]]'' where {{adv|Red}} and {{adv|Blue}} tried to catch it but failed. It was soon tracked down by [[Team Rocket]] who planned on capturing it. A disc containing some of its DNA was obtained and was used in the creation of Mewtwo. It was first seen in ''[[PS016|Tauros the Tyrant]]'', incomplete and floating in a tube when Red infiltrated Team Rocket headquarters. Later as Red and {{adv|Green}} are cornered by several Team Rocket Grunts, Mew uses its psychic powers to stop them and escapes.

Much later as Mewtwo was fully completed by the time of ''[[PS034|And Mewtwo Too?!]]'', where it started to rampage near Cerulean City. {{adv|Blaine}} is revealed to be the Team Rocket scientist who not only created Mewtwo, added his own human DNA to it to finish its creation when Mew's cells weren't enough. Together, they battled with Mewtwo, which eventually ended in its capture via [[Master Ball]] in ''[[PS035|And Mewtwo... Three!]]''.

===={{MangaArc|Yellow}}====
Mewtwo, having forged a bond with Blaine, assisted him in fighting against [[Lance]] on [[Cerise Island]]. However, when the battle started to put a strain on Blaine's arm, Mewtwo chose to return to its Master Ball, which {{adv|Yellow}} briefly took care of afterwards.

===={{MangaArc|Gold, Silver & Crystal}}====
After {{DL|Legendary beasts (Adventures)|Entei}} had helped Blaine cure his disease, the link between him and Mewtwo was severed and allowed it to set off on its own.

===={{MangaArc|FireRed & LeafGreen}}====
Mewtwo helped the Kanto [[Pokédex holder]]s and {{adv|Silver}} battle against Team Rocket and {{adv|Deoxys}}. When the [[Team Rocket airship]] was about to crash into [[Vermilion City]], Mew appeared again after having left [[Faraway Island]] and stopped the ship with its psychic powers, leaving again after Mewtwo had noticed it. When a severely-injured [[Sird]] returned, the Pokédex holders and Mewtwo stopped her from capturing Deoxys, but the collision between Mewtwo and the {{p|Darkrai|beam}} emerging from Sird's Poké Ball caused the Pokédex holders to be turned to stone.

===={{MangaArc|Diamond & Pearl}}====
Sird revealed that Mewtwo had chased her down following the aforementioned encounter, but eventually lost track of her.

===={{MangaArc|X & Y}}====
Mewtwo was seen sitting inside the {{kal|Unknown Dungeon}} in [[Pokémon Village]]. It soon engaged in a battle against [[Lysandre]]'s Pokémon and [[Mega Evolution|Mega Evolved]] into Mega Mewtwo Y. It was soon revealed that Mewtwo and Blaine had reunited, with their unique bond even allowing Mewtwo to Mega Evolve again into Mega Mewtwo X after switching its Mega Stone. It also fought against {{adv|Zygarde}}, which was under [[Team Flare]]'s control.

<gallery>
Mega Mewtwo Y Adventures.png|Mega Mewtwo Y in [[Pokémon Adventures]]
Mega Mewtwo X Adventures.png|Mega Mewtwo X in [[Pokémon Adventures]]
</gallery>

===Pokémon Pocket Monsters===
Mewtwo debuted in ''[[PM002|Big Battle In The Viridian Forest!!]]'', where {{PPM|Red}} encountered it in [[Viridian Forest]].

{{main|Blue's Mewtwo}}
Mewtwo is a Pokémon created by {{PPM|Giovanni}} in ''[[PM025|Bring Down the Strongest Pokémon!!]]''. It was caught by {{PPM|Blue}} prior to ''[[PM054|The Pokémon Banana League (Part 1)]]''. Mewtwo becomes a "gag Pokémon" when its DNA becomes mixed with {{TP|Red|Clefairy}}'s.

A Mew appeared in ''[[PM004|Obtain the Moon Stone!!]]''. This one is actually a woman who was accidentally transformed after an experiment went wrong. She turns back later to her normal form.

{{PPM|Giovanni}} catches Mew as part of the supplies used for the creation of {{p|Mewtwo}}. It was released along with Mewtwo after the creation was unsuccessful.

===Pokémon Ruby-Sapphire===
{{PPM|Red}} befriended a Mew in ''[[PMRS50|Showdown! Clefairy VS Mew!!]]''.

===Movie adaptations===
{{main|Mewtwo (M01)}}
{{main|Mewtwo (M16)}}
{{main|Mew (M01)}}
{{main|Mew (M08)}}
Two different Mew appear in the {{ma|Mewtwo Strikes Back!|manga}} {{ma|Lucario and the Mystery of Mew|adaptations}} of the [[M01|first]] and [[M08|eighth]] [[Pokémon movie]]s.

Two different Mewtwo appear in the {{ma|Mewtwo Strikes Back!|manga}} {{ma|Genesect and the Legend Awakened|adaptations}} of the [[M01|first]] and [[M16|sixteenth]] [[Pokémon movie]]s.

===Magical Pokémon Journey===
During the {{Vol|Magical Pokémon Journey|10|final volume}} of [[Magical Pokémon Journey]], [[Hazel]] goes to a forest in another dimension to find Mew so it can grant her a wish, but is trapped by Mewtwo.

===Pokémon: Yeah! I Got Pokémon!!===
[[Shu's father]] has a Mewtwo.

==In the TCG==
{{TCG|Mew}} and {{TCG|Mewtwo}} both receive cards in the {{pkmn|Trading Card Game}}. Befitting how they are encountered in the games, Mewtwo's first card was {{TCG|Base Set}} {{TCG ID|Base Set|Mewtwo|10}}, while Mew's first card was {{TCG|Wizards Black Star Promos|Wizards Black Star Promo}} {{TCG ID|Wizards Promo|Mew|8}} and therefore required going off the beaten path to obtain. Also befitting their standard relationship, Mewtwo and Mew often do not have any relation to each other except for their usual identities of Mewtwo being designed for combat and Mew being a tricky and flighty Pokémon. Unlike other groups of Pokémon, no card has been released that refers to the other member by name. They also do not necessarily appear in the same [[List of Pokémon Trading Card Game expansions|expansion]]s, but often do anyway in sets that focus on the [[Kanto Pokédex]] such as {{TCG|Evolutions}} and {{TCG|151}}. During the [[Pokemon Trading Card Game#Sword & Shield Series|Sword & Shield Series]], both Pokémon were printed as different types of Pokémon. Mew received a {{TCG|Pokémon VMAX}} card, {{TCG ID|Fusion Strike|Mew VMAX|114}}, while Mewtwo was printed as a {{TCG|Pokémon VSTAR}}, {{TCG ID|Pokémon GO|Mewtwo VSTAR|31}} and as a {{TCG|Pokémon V-UNION}}, {{TCG ID|SWSH Promo|Mewtwo V-UNION|159}}.  

Some cards have been released that play up the connection between Mewtwo and Mew. {{TCG|Darkness Ablaze}} {{TCG ID|Darkness Ablaze|Mew V|69}} has the {{TCG|attack}} X Ball, which is an attack iconically known for its appearance as the main attack of {{TCG|Next Destinies}} {{TCG ID|Next Destinies|Mewtwo-EX|54}}. However, the main card showing their relationship is {{TCG ID|Unified Minds|Mewtwo & Mew-GX|71}}.

Mewtwo & Mew-GX is a {{TCG|TAG TEAM}} card, showing both the Genetic Pokémon and the New Species Pokémon working together. The art for the regular print shows them breaking out of a glass container. The artist for the card, [[Mitsuhiro Arita]], suggests that the container was the same one seen on {{TCG ID|Shining Legends|Mewtwo-GX|39}}'s {{TCG|Secret card|Secret}} Shining Holo printing, and that Mew helped Mewtwo escape.<ref>[https://www.gamespot.com/articles/uncovering-the-hidden-inspiration-and-stories-behi/1100-6468906/ Uncovering The Hidden Inspiration And Stories Behind Pokemon Cards, GameSpot]</ref> The card's {{TCG|Ability}}, Perfection, is based on Mew's frequent attack copying effects and allows Mewtwo & Mew-GX to use the attacks of any {{TCG|Pokémon-EX}} or {{TCG|Pokémon-GX}} that their owner has on the [[Bench]] or in the discard pile. Meanwhile their {{TCG|Pokémon-GX|GX attack}}, Miraculous Duo-GX, is based on Mewtwo's frequent healing effects and can heal all damage that all of its owners {{TCG|Pokémon}} has taken.

A {{TCG|SM Black Star Promos|SM Black Star Promo}} printing of the card shows alternate artwork of Mewtwo being annoyed by Mew's laughter.

{{TCGGallery
|type=Psychic
|class=GX
|image1=MewtwoMewGXUnifiedMinds71.jpg
|caption1={{TCG|Unified Minds}} Regular print<br>Illus. [[Mitsuhiro Arita]]
|image2=MewtwoMewGXUnifiedMinds222.jpg
|caption2={{TCG|Unified Minds}} {{TCG|Full Art card|Full Art}} print<br>Illus. [[5ban Graphics]]
|image3=MewtwoMewGXSMPromo191.jpg
|caption3={{TCG|SM Black Star Promos|SM Promotional}} print<br>Illus. [[sui]]
}}
{{TCGGallery
|type=Psychic
|class=EX
|image1=MewtwoEXNextDestinies54.jpg
|caption1={{TCG|Next Destinies}} Regular print<br>Illus. [[Shizurow]]
|image2=MewVDarknessAblaze69.jpg
|caption2=Illus. [[PLANETA Mochizuki]]
}}

==References==
{{reflist}}

==Related articles==
* {{p|Mew}}
* {{p|Mewtwo}}

{{Legendary groups}}

{{Project Pokédex notice}}

[[Category:Fanon terminology]]
[[Category:Groups of Legendary and Mythical Pokémon]]

[[fr:Duo Mew]]
[[it:Duo Mew]]