| Code: | Result: |
| 111111 | Unlocks Iron Man and War Machine |
| 222222 | Unlocks Hulk, Grey Hulk, and Red Hulk |
| 333333 | Unlocks Wolverine, his brown costume, and Feral Wolverine |
| 444444 | Unlocks Thor, Chain Armor Thor, and Loki Thor |
| 555555 | Unlocks Silver Surfer, Anti Surfer, and Gold Surfer |
| 666666 | Unlocks Falcon and Ultimates Falcon |
| 777777 | Unlocks Cheat- Super Knockback |
| 888888 | Unlocks Cheat- No Blocking |
| 999999 | Unlocks Doctor Doom, Ultimates Doom, and Professor Doom |
| 246246 | Unlocks A.I.M. Agent/ Blue Suit A.I.M. Agent |
| 925627 | Unlocks Captain America and US Agent (Wal-Mart version only) |
| 925678 | Unlocks Spider-Man and Symbiote Spider-Man (Wal-Mart version only) |
