Marvel
| Name | Super Name | Code | Actions |
|---|---|---|---|
| Ion | Ion | Ion | Show |
| Invisible Woman | Invisible Woman | Invisi… | Show |
| Ink | Ink | Ink | Show |
| Inferno (Dante Pertuz) | Inferno | Infern… | Show |
| Infectia | Infectia | Infect… | Show |
| Inertia | Inertia | Inertia | Show |
| Indra | Indra | Indra | Show |
| In-Betweener | In-Betweener | In-Bet… | Show |
| Immortus | Immortus | Immort… | Show |
| Ikaris | Ikaris | Ikaris | Show |
| Icemaster | Icemaster | Icemas… | Show |
| Iceman | Iceman | Iceman | Show |
| Hyperion | Hyperion | Hyperi… | Show |
| Hydro-Man | Hydro-Man | Hydro-… | Show |
| Hybrid (Scott Washington) | Hybrid | Hybrid… | Show |
| Hybrid (Jimmy Marks) | Hybrid | Hybrid… | Show |
| Hussar | Hussar | Hussar | Show |
| Husk | Husk | Husk | Show |
| Huntsman | Huntsman | Huntsm… | Show |
| Humus Sapien | Humus Sapien | Humus-… | Show |