To unlock Silver Sufer enter the following code at S.H.I.E.L.D. access point:
Down, Left, Left, Up, right, Up, Down, Left, Enter
To unlock Daredevil enter the following code at S.H.I.E.L.D. access point:
Left, Left, Right, Right, Up, Down, Up, Down, Enter
Enter the following codes at team menu:
100K: Up, Up, Up, Left, Right, Left
Level 99: Up, Left, Up, Left, Down, Right, Down, Right
Enter the following codes in Review Menu:
All Cinematics: Up, Left, Left, Up, Right, Right, Up
All Comics: Left, Right, Right, Left, Up Up, Right
All Concept Art: Down, Down, Down, Right, Right, Left, Down
All Wallpapers: Up Down, Right, Left, Up, Up, Down
Enter the following codes during the gameplay:
God Mode: Up, Down, Up, Down, Up, Left, Down, Right
Super Speed: Up, Left, Up, Right, Down, Right
Touch of Death: Left, Right, Down, Down, Right, Left