Marvel
| Name | Super Name | Code | Actions |
|---|---|---|---|
| Valkyrie (Brunnhilde) | Valkyrie | Valkyr… | Show |
| Valkyrie | Valkyrie | Valkyr… | Show |
| U.S. Agent | U.S. Agent | U-S-Ag… | Show |
| Ursa Major | Ursa Major | Ursa-M… | Show |
| Unus the Untouchable | Unus the Untouchable | Unus-t… | Show |
| Union Jack (Joseph Chapman) | Union Jack | Union-… | Show |
| Union Jack | Union Jack | Union-… | Show |
| Unicorn | Unicorn | Unicorn | Show |
| Underworld | Underworld | Underw… | Show |
| Umar | Umar | Umar | Show |
| U-Man | U-Man | U-Man | Show |
| Ulysses Bloodstone | Ulysses Bloodstone | Ulysse… | Show |
| Ultron | Ultron | Ultron | Show |
| Ultimo | Ultimo | Ultimo | Show |
| Ulik | Ulik | Ulik | Show |
| Tyrant | Tyrant | Tyrant | Show |
| Tyrannus | Tyrannus | Tyrann… | Show |
| Tyrak | Tyrak | Tyrak | Show |
| Typhon | Typhon | Typhon | Show |
| Typhoid Mary | Typhoid Mary | Typhoi… | Show |