Pokémon the movie : Genesect and the legend awakened / story and art by Momota Inoue ; original concept by Satoshi Tajiri ; supervised by Tsunekazu Ishihara ; script by Hideki Sonoda.
When the Pokémon Genesect reappear after three hundred million years and try to take over the home of the other Pokémon, Mewtwo engages them in a fight using super speed.