The original Japanese script focused heavily on Mewtwo's search for a right to exist. The character Amber (Ai), a clone of a scientist's deceased daughter featured in the film's prologue, was used to highlight the fragility of life and the concept of "self-existence".
The climax features a brutal, "no-holds-barred beatdown" between the clones and originals. Ash's ultimate sacrifice to stop the violence leads to his petrification, after which he is revived by the collective tears of the Pokémon. This act of compassion causes Mewtwo to realize that "the circumstances of one's birth are irrelevant" and that it is one’s actions that define them. Thematic Analysis: Japan vs. North America Pokemon: The First Movie - Mewtwo Strikes Back ...
The film's depth is often debated due to the narrative shifts made by for the Western release. The original Japanese script focused heavily on Mewtwo's