| Icarus |
| Iceberg |
| Iceberg (films) |
| Ice Princess |
| Ikonn |
| Immortus |
| Impala |
| Impulse I |
| Impulse II |
| Indra II |
| Infectia |
| Inferno III |
| Infinité I |
| L'Infirmière de Nuit |
| Ink |
| Inkose, Shola |
| L'Intelligence Suprême des Krees |
| L'Invisible |
| Ion |
| Iridia |
| Ironclad |
| Iron Fist |
| Iron Lad |
| Iron Maiden I |
| Iron Man I |
| Iron Man V |
| Iron Man VI |
| Iron Man 2.0 |
| Iron Patriot II |
| Irving |
| Itsu |