Marvel
| Name | Super Name | Code | Actions |
|---|---|---|---|
| Xavin | Xavin | Xavin | Show |
| X-Cutioner | X-Cutioner | X-Cuti… | Show |
| Xemnu | Xemnu | Xemnu | Show |
| Xi'an | Xi'an | Xi-an | Show |
| Xorn | Xorn | Xorn | Show |
| Yellowjacket (Rita DeMara) | Yellowjacket | Yellow… | Show |
| Yellowjacket | Yellowjacket | Yellow… | Show |
| Yeti | Yeti | Yeti | Show |
| Ymir | Ymir | Ymir | Show |
| Yondu | Yondu | Yondu | Show |
| Yon-Rogg | Yon-Rogg | Yon-Ro… | Show |
| Yo-Yo Rodriguez | Yo-Yo Rodriguez | Yo-Yo-… | Show |
| Yukio | Yukio | Yukio | Show |
| Zadkiel | Zadkiel | Zadkiel | Show |
| Zaladane | Zaladane | Zalada… | Show |
| Zaran | Zaran | Zaran | Show |
| Zarathos | Zarathos | Zarath… | Show |
| Zarrko | Zarrko | Zarrko | Show |
| Zealot | Zealot | Zealot | Show |
| Zeitgeist | Zeitgeist | Zeitge… | Show |