In Spider-Man: Edge of Time for the PS3 and Xbox 360, there are some bonus outfits you can unlock.
Here is the list of outfits you can unlock, and how to unlock them.
Big Time Suit – When the game is paused or at the main menu, press Right, Down, Down, Up, Left, Down, Down, Right on the d-pad
Future Foundation Suit – When the game is paused or at the main menu, press Up, Down, Left, Up, Down, Left, Right, Left on the d-pad
Prequel Bonus Suits – Start the game with a saved game from Spider-Man: Shattered Dimensions to unlock eight bonus costumes