The Complete version of the Pokémon : The First Movie featured a 10-minute Origin of Mewtwo prologue .
The English-language adaptation , produced by Nintendo and 4Kids Entertainment , was based off the Complete Version and released in North America by Warner Bros. on November 10 , 1999.The film primarily consists of three segments : Pikachu 's Vacation , a 21-minute feature focusing on the series mascot Pikachu ; the 10-minute Origin of Mewtwo prologue added to the Complete Version of the film ; and Mewtwo Strikes Back , the main 75-minute film feature .
Pokémon-COLON- The First Movie