Gambit

A mutant born with the ability to charge any inanimate object with explosive kinetic energy, Gambit is a reformed thief who now allies himself with the Uncanny X-Men!

2D Fighters
Gambit sent Guile home to be a family man in the first round, and eliminated Blue Mary in the second, before losing to Joe Higashi in the third.

Children of the Atom
Gambit defeated Mr Sinister in the first round, Mojo in the second, Domino in the third, and Nightcrawler in the semifinals. However, Magneto defeated Gambit in the finals.