Mewtwo Versus Cloud
Scenario:
Mewtwo has all of his moves, as per usual. Also his psychic spoon from the Manga.
Cloud gets the Breaker Blade, And endgame magic.
The two will be fighting in this area: youtube.com/watch?v=sS4H8hI5i-E
The first area, with the lava.
Edit: Picture, just to keep things juicy. And. Movies are also irrelevant in this battle.
Editedit: Fingers crossed for a shitstorm.