Wolverine: Enemy of The State - Mark Millar

Brainwashed by the ninjas of the Hand, Wolverine slices and dices his way through foes and friends alike, ultimately resulting in the death of an X-Man! Captured and reprogrammed, Wolverine is sent against his former masters, but amid an orgy of death and destruction, is even the fiercest mutant alive a match for the deadly stare of the Gorgon?! Collecting: Wolverine (2003) #20-31