9. Iceman

GAME: Marvel vs. Capcom 2 (Arcade/Dreamcast, 2000)
Iceman has GOT to be one of the lamest characters in the whole X-Men universe, what with his arctic attacks and his ice bridge. But he's just balls-out ridiculous in MvC2, where he seriously takes no chip damage whatsoever if he's blocking. We get it, a block of ice is pretty strong, but you're telling us that Iron Man's proton cannon can't even touch it enough to do chip damage? Iceman, you are a cheap, cheap bastard.