Humans run for cover.
Mewtwo, the most powerful Pok mon in the world, is having an identity crisis. Engineered from ancient Pok mon DNA, this rampaging catlike Pokenstein has no purpose beyond serving as a specimen for scientific study. That makes him really mad. After all, hostile Pok mon with malicious psychic powers have feelings, too. So Mewtwo decides to destroy all humans, enslave all Pok mon and take over the world.