A Chaos Space Marine (Warhammer 40k) runs the gauntlet.
Cult marines of each flavour take turns to run the gauntlet (Khorne Berserker, Plague Marine, Rubric Marine and Noise Marine). He fights each combatant separately, fully healing and restoring ammo after each fight.
The berserker has a chain axe and bolt pistol, the plague marine has boltgun and balesword, rubric marine has an inferno Boltgun and combat knife (rubric doesn’t require a sorcerer to act) ,and the noise marine has a sonic blaster and chain sword. Bonus round: Typhus runs the gauntlet
Adam Smasher
Master chief with shotgun and grenade launcher
Captain America (616)
Atriox
Doomslayer