ULTIMATE SPIDER-MAN UNLOCKABLES
Alternate costume
While waiting for any of Spider-Man's missions to load, hold Select to turn his red costume into Venom's black costume.
Unlock Carnage
Get a 80% game completion to unlock Carnage in Multiplayer mode.
Unlock Symbiote Spider-Man (black costume)
Get a 100% game completion to unlock Symbiote Spider-Man (black costume) in Multiplayer mode.