Marvel Super Heroes

Double power:
Select a fighter at the character selection screen, then press Player One Start + Player Two Start.

Enable gems:
Hold Player One Start + Player Two Start at the versus screen.

Continue fighting:
Press Start immediately after winning a round to continue hitting the defeated character.

Fight as Anita:
Press MP, LP, Left, LK, MK at the character selection screen.

Fight as Dr. Doom:
Press MK, LP, Down, LK, MP at the character selection screen.

Fight as Thanos:
Press LK, HK, MP(2), Up at the character selection screen.

Continue after victory:
Press Start when your character does is or her victory pose after winning a match. Use the Punch or Kick buttons to continue to hit the losing character.