W
- Wasp (Pym, Janet) - dead
- Whiz Kid (Taki, Matsuya)
- Wildpack (Chen, Powell, Quartermain)
- Wolverine (Howlett, James "Logan")
- Woo, Jimmy
- Woody (Kipple, Hank)
- War Machine (Nick Rhodes)
- Wong
- Whizzer
- Wrecker
- Wolfsbane(Rahne Sinclair)
- Warlock
Read more about this topic: List Of Ultimate Marvel Characters