Unlock rad bonus characters with these easy-as codes!

PLATFORMS: 
PS2, PSP, Wii

Enter at the cheat entry screen in the options menu:

Falcon and Ultimate Falcon    
666666  

Hulk, Grey Hulk, and Red Hulk    
222222  

Iron Man and War Machine    
111111  

Silver Surfer, Anti Surfer and Gold Surfer
555555

Thor, Chain Armor Thor and Loki Thor
444444

Thrown Object Takedown
847936  

Wolverine and Feral Wolverine
333333  

Grounded Cheat
476863  

Infinite Shard Duration    
742737

One Hit Takedown
663448

A.I.M. Agent / Blue Suit A.I.M. Agent
246246

Captain America / Ultimate Captain America    
177674

No Blocking Cheat    
888888  

Super Knockback Cheat
777777

Doctor Doom, Ultimate Doom and Professor Doom
999999