In Captain America: Super Soldier for the PS3 and Xbox 360, you can unlock the classic Captain America costume to use in the game.
In order to unlock the classic costume, you need to get a Gold rating on all challenges in the game. Alternatively you can get 25,000 Intel points to unlock the classic costume as well.
Check out my other guide if you’re looking for the other unlockable costumes in Captain America: Super Soldier.