Unlockable Concept Art
Weapons Crates can be found throughout the game. Finding a certain amount of them will unlock the following concept art.
| Unlockable | How to Unlock |
| Environments Set I | Find 6 Weapons Crates |
| Environments Set II | Find 12 Weapons Crates |
| Iron Man | Find 18 Weapons Crates |
| Environments Set III | Find 24 Weapons Crates |
| Enemies | Find 30 Weapons Crates |
| Environments Set IV | Find 36 Weapons Crates |
| Villains | Find 42 Weapons Crates |
| Vehicles | Find 48 Weapons Crates |
| Covers | Find 50 Weapons Crates |
Unlockable Suits
| Unlockable |
How to Unlock |
|---|---|
| Classic | Finish "Home Front" |
| Mark I | Finish "Escape" |
| Mark II | Finish "First Flight" |
| Mark III | Finish "Fight Back" |
| Silver Centurion | Finish "Showdown" |
| Tin Can Comic Book | Finish "Flying Fortress" |
