Daredevil:
Press Left, Left, Right, Right, Up, Down, Up, Down, Start at a S.H.I.E.L.D. Access point (where you select your team). A sound will confirm correct code entry.
Silver Surfer:
Press Down, Left, Left, Up, Right, Up, Down, Left, Start at a S.H.I.E.L.D. Access point (where you select your team). A sound will confirm correct code entry.
All characters:
Press Up, Up, Down, Down, Left, Left, Start at a S.H.I.E.L.D. save zone menu or the main menu.
All powers:
Press Left, Right, Left, Right, Up, Down, Up, Down, Left, Right, Start at a S.H.I.E.L.D. save zone menu or the main menu.
All costumes:
Press Up, Down, Up, Down, Left, Right, Left, Right, Up, Down, Start at a S.H.I.E.L.D. save zone menu or the main menu.
The Courses:
Press Up, Right, Left, Down, Up, Right, Left, Down, Start at the simulator terminal screen where you choose a Comic Book mission.
All comic book covers:
Press Left, Right, Right, Left, Up, Up, Right, Start at the Review menu.
All concept art:
Press Down, Down, Down, Right, Right, Left, Down, Start at the Review menu.
All cinematics:
Press Up, Left, Left, Up, Right, Right, Up, Start at the Review menu.
All wallpapers:
Press Up, Down, Right, Left, Up, Up, Down at the Review menu.
Filler:
Press Left, Right, Right, Left, Up, Down, Down, Up during game play.
God Mode:
Press Up, Down, Up, Down, Up, Left, Down, Right, Start during game play.
Touch of Death:
Press Left, Right, Down, Down, Right, Left, Start during game play.
Super Speed:
Press Up, Left, Up, Right, Down, Right during game play.
100,000 Gold Coins:
Press Up, Up, Up, Left, Right, Left, Start at the team menu or hero management screen.
Level 30 team:
Press Up, Left, Up, Left, Down, Right, Down, Right, Start at the team menu.
(72 votes)
Source: 
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