4836 - Pokemon Mewtwo Strikes Back - Evolution ... Site
: A new voice cast reflecting the current Pokémon anime cast was used, and the iconic song "Brother My Brother" was removed from the climactic battle scene.
While the plot remains almost identical, several notable changes were made to modernize the film:
: The trainer Ash battles at the start was redesigned to look more "piratey" and uses a Drowsy instead of a Golem (fixing a continuity error where Pikachu previously defeated the Ground-type Golem with an Electric attack).
Pokémon: Mewtwo Strikes Back—Evolution is a 2019 CGI remake of the first Pokémon film, Pokémon: The First Movie (1998). It serves as a faithful, near shot-for-shot recreation of the original story, following Mewtwo's existential crisis and eventual revenge plot against humanity.