Unlock everything:
At the title screen, press Select, Down, R2, L1, R1, L2.
Get movie costume:
Hold L1, R1, L2, R2 on the character you wish to fight with to get their movie costume.(it does not work on all characters).
(supplied by: steven.garrett13)
Unlock Psylocke:
Successfully complete the game as Wolverine in arcade mode.
(supplied by: cyclops)
Unlock Spider-Man:
Fight in arcade mode until you face Spider-Man. Defeat him and finish arcade mode. Then, highlight Cyclops and hold L1 at the character selection screen.
(supplied by: cyclops)
Unlock Professor Xavier:
Successfully complete the game as Juggernaut. Then, highlight Magneto and hold L1 at the character selection screen.
(supplied by: cyclops)
Unlock Juggernaut:
Successfully complete the game using all default characters and Psylocke in arcade mode.
(supplied by: cyclops)
Heal:
While in battle, press X and Triangle at the same time. Your player will say something like "Special Delivery" and your player will be healed, but just by a little bit. It's useful, but doesn't help much!
(supplied by: cyclops)
