Title: Mewtwo
Content:  voiced by Fujiko Takimoto in the Sound Picture Box: Mewtwo's Origin CD drama and Showtaro Morikubo in the anime adaptation. In English, Jay Goede voiced Mewtwo in Pokémon: The First Movie (being credited under the pseudonym "Philip Bartlett" ) and the Pokémon Live! musical, while Dan Green provided the voice for The First Movies direct sequel, Pokémon: Mewtwo Returns. Actress Reiko Takashima voiced a second, unrelated Mewtwo in the Pokémon anime special Mewtwo: Prologue to Awakening and its direct sequel, Pokémon the Movie: Genesect and the Legend Awakened; this second Mewtwo is voiced by actress Miriam Pultro in the English dub. Mewtwo has featured in other game franchises, such as Super Smash Bros. series. A third Mewtwo also appears in the 2019 live-action animated film Detective Pikachu, voiced simultaneously by Rina Hoshino and Kotaro Watanabe.
Title: Mewtwo
Content:  Mewtwo is featured in the film Pokémon: The First Movie as the main antagonist. Unlike in the games, it is shown to be the creation of the criminal organization Team Rocket, and is referred to as a clone instead of a genetically modified mammal. After Mewtwo destroys the laboratory where it was born, Team Rocket's leader, Giovanni, convinces Mewtwo he can help it control its powers, instead using Mewtwo as a weapon. After escaping Giovanni, Mewtwo questions the reason for its existence and declares revenge on its creators. To this end, it lures several Pokémon trainers, among them protagonist Ash Ketchum, to its island in order to clone their Pokémon. 
Title: Pokémon: The First Movie
Content:  Pokémon The First Movie: Mewtwo Strikes Back is a 1998 Japanese anime film directed by Kunihiko Yuyama, the chief director of the Pokémon television series. It is the first theatrical release in the Pokémon franchise. It was first released in Japan on July 18, 1998. On July 8, 1999, a Complete Version (完全版) of the film aired on Japanese television. In addition to an added prologue, the updated version included new animation and CGI graphics. The English-language adaptation, produced by Nintendo and 4Kids Entertainment and licensed by Warner Bros. Pictures, was released in North America on November 12, 1999. The 
Title: Mewtwo
Content:  localizing the film for English-language audiences, Mewtwo's personality became more arrogant and megalomaniacal; localization director Norman Grossfield ruled the changes necessary, as he believed American audiences needed a "clearly evil" instead of ambiguous villain. In the film, Mewtwo is voiced by Jay Goede (credited as Philip Bartlett) in English, and by Ichimura in Japanese. In this film, Mewtwo displayed unique abilities and powers unseen in other Pokémon, such as blocking all Pokémon moves in his arena when the clones face off against the originals. In September 1999, Nintendo published Sound Picture Box Mewtwo, which included The Birth of Mewtwo: Pokémon Radio Drama, a CD drama that expands upon Mewtwo's origins. 
Title: Pokémon: The First Movie
Content:  the time he spent with his friends. After Mewtwo fully matures and awakens from a long slumber in a laboratory on New Island, he learns of his origin as Mew's clone from Dr. Fuji. Infuriated that Fuji and his colleagues see him as nothing more than an experiment, he unleashes his incredibly strong psychic abilities and telekinetically destroys the laboratory, killing Fuji and the rest of the scientists. Giovanni, witnessing the carnage afar, approaches and convinces Mewtwo to work with him to further develop and perfect his mental abilities. However, after Mewtwo learns of his purpose to be a weapon for Giovanni's benefit, he escapes back to New Island where he plots revenge against humanity 
Title: Pokémon: The First Movie
Content:  English version's voice director. The English script was heavily edited from the original Japanese one; along with various content edits, Mewtwo was portrayed more maliciously because Grossfeld felt American audiences needed to see a "clearly evil" villain rather than a morally ambiguous one. As such, the existentialist themes seen in the Japanese version were significantly toned-down. The English version editors translated various Japanese texts, including those on signs and on buildings, into English. The Shogakukan-Shueisha Productions (formerly Shogakukan Productions) also altered various background from the original version of the film in order to enhance its presentation overseas. In the English dub, three Pokémon are referred to by the wrong name. Pidgeot was called Pidgeotto, Scyther was called Alakazam, and Sandslash was called 
Title: Mewtwo
Content:  Mewtwo (ミュウツー) is a Pokémon, a fictional creature from Nintendo and Game Freak. Created by Ken Sugimori, it debuted in the video games Pokémon Red and Green, and later appeared in subsequent sequels and spin-off titles, such as Pokken Tournament. In the video games, the player can fight and capture Mewtwo in order to subsequently pit it against other Pokémon. The player first learns of Mewtwo late in Pokémon Red and Blue by reading research documents left in a ruined laboratory on Cinnabar Island. Mewtwo is regarded as one of the series' strongest Pokémon, and was the strongest in the original games in terms of stats. Mewtwo has also appeared in various animated adaptations of the franchise. Masachika Ichimura was the first to voice the original Mewtwo character in Japanese, and the creature's younger self 
Title: Mew (Pokémon)
Content:  Mew's first major appearance in the Pokémon anime was in Pokémon: The First Movie, where it served as one of the main characters. It was believed to be long-extinct and "the legendary and rare 'most powerful Pokémon ever. After years of research, scientists used a recombination of Mew's DNA to create Mewtwo, a genetically enhanced clone of Mew who becomes the film's main antagonist. The backstory of Pokémon: Lucario and the Mystery of Mew revolves around Mew's mysterious history and how it came to be so powerful. In the movie, a Pokémon "family tree" is shown; the first Pokémon on it is Mew, and the last is Ho-Oh. In Pokémon Journeys: The Series, Mew appeared in a flashback showing the childhood of Goh, Ash Ketchum's current traveling companion. Ever since that encounter, Goh is currently working his way to Mew by catching all known Pokemon in the world.
Title: Pokémon the Movie: Genesect and the Legend Awakened
Content:  the most powerful Pokémon in existence. This Mewtwo is an entirely different individual from the one that appeared previously in Pokémon films, possessing a female voice and distinct personality traits in comparison to the original Mewtwo. This Mewtwo can assume a new form referred to as "Awakened Mewtwo" (覚醒したミュウツー). In the original Japanese release, is provided by Reiko Takashima. In the English dub, Miriam Pultro provides the voice. ; Eric (エリック): Is a park ranger who works at Pokémon Hills in New Tork City and a Guest character from the movie. Eric's voice in the original Japanese release is provided by Takashi Yoshimura. In the English dub, Eric is voiced by Jake Paque. 
Title: Mewtwo
Content:  character in cameos, appearing once certain conditions have been met. For all appearances in which the character has spoken dialogue, Mewtwo is voiced by Masachika Ichimura, with the exception of Pokémon Puzzle League, where it is voiced by Philip Bartlett, and Super Smash Bros. for Nintendo 3DS and Wii U and Ultimate, where it is voiced by Keiji Fujiwara. After failing to make a playable appearance in Super Smash Bros. Brawl, Mewtwo returned to the series as a DLC character in Super Smash Bros. for Nintendo 3DS and Wii U on April 28, 2015, though it was made available to Club Nintendo members who registered both versions on April 15, 2015. In 3DS and Wii U, 

Question: who voiced mewtwo in pokemon the first movie?
Answer: Showtaro Morikubo.
Fujiko Takimoto.
Masachika Ichimura.
Philip Bartlett.