Iron Man is one of the heroes you can purchase using Eternity Splinter
The following are the Eternity Splinter costs of all heroes in Marvel Heroes:
| Hero | Eternity Splinters |
| Black Widow | 200 |
| Daredevil | 200 |
| Hawkeye | 200 |
| Scarlet Witch | 200 |
| Storm | 200 |
| Taskmaster | 200 |
| Thing | 200 |
| Black Panther | 400 |
| Cable | 400 |
| Captain America | 400 |
| Colossus | 400 |
| Cyclops | 400 |
| Emma Frost | 400 |
| Gambit | 400 |
| Hulk | 400 |
| Human Torch | 400 |
| Invisible Woman | 400 |
| Jean Grey | 400 |
| Loki | 400 |
| Luke Cage | 400 |
| Moon Knight | 400 |
| Mr. Fantastic | 400 |
| Ms. Marvel | 400 |
| Nightcrawler | 400 |
| Psylocke | 400 |
| Punisher | 400 |
| Rocket Raccoon | 400 |
| Silver Surfer | 400 |
| Squirrel Girl | 400 |
| Star-Lord | 400 |
| Thor | 400 |
| Wolverine | 400 |
| Deadpool | 600 |
| Doctor Strange | 600 |
| Ghost Rider | 600 |
| Iron Man | 600 |
| Spider-Man | 600 |
