To activate each code you must press the START button after you here the sound indicating the code was entered correctly. Note: Using these cheat will disable Trophies.

Code	Effect
Up, Up, Up, Left, Right, Left, Start	100,000 coins (can be repeated) (Team menu)
Up, Up, Down, Down, Left, Left, Left, Start	All Characters (Team Menu or Hero Management Menu)
Up, Left, Left, Up, Right, Right, Up, Start	All Cinematics (Review Menu, Stark Tower review computer)
Up, Right, Left, Down, Up, Right, Left, Down, Start	All Comic Book Mission Coarses (Comic Book Missions, Stark Tower)
Left, Right, Right, Left, Up Up, Right, Start	All Comics (Review Menu, Stark Tower review computer.)
Down, Down, Down, Right, Right, Left, Down, Start	All Concept Art (Review Menu, Stark Tower review computer)
Up, Down, Up, Down, Left, Right, Left, Right, Up, Down, Start	All Costumes (Team Menu or Hero Management Menu)
Left, Right, Left, Right, Up, Down, Up, Down, Left, Right, Start	All Powers (Team Menu or Hero Management Menu)
Up Down, Right, Left, Up, Up, Down, Start	All Wallpapers (Review Menu, Stark Tower review computer)
Left, Right, Right, Left, Up, Down, Down, Up, Start	Filler (While In Game)
Up, Down, Up, Down, Up, Left, Down, Right, Start	God Mode (While In Game)
Up, Left, Up, Left, Down, Right, Down, Right, Start	Level all characters to 99 (Team Menu)
Up, Left, Up, Right, Down, Right, Start	Super Speed (While In Game)
Left, Right, Down, Down, Right, Left, Start	Touch of Death (While In Game)
Left, Left, Right, Right, Up, Down, Up, Down, Start	Unlocks Daredevil
Down, Left, Left, Up, Right, Up, Down, Left, Start	Unlocks the Silver Surfer