R
- Rage
- Ray Connar
- Red Skull - dead
- Red Ghost
- Red Guardian
- Red Wasp (Petra Laskov)
- RHINO
- Rhona Burchill
- Robbie Burchill
- Richard Parker
- Ringer (Davis, Anthony)
- Robbie Robertson
- Rogue (Anna Marie (surname unknown))
- Ronan the Accuser
- Ronin (Spector, Marc)
Read more about this topic: List Of Ultimate Marvel Characters