X-Men Gold, Mutant Genesis: Bishop
The Mutant bounty hunter Bishop traveled back in time to prevent a grim future where both humans and mutants are deemed unfit to live. Believing the future's only salvation to be the legendary X-Men, Bishop hoped to prevent the fate that had befallen them. Bishop remains committed to his cause despite not having any clue as to who will destroy the X-Men save this.... He somehow remembers that one of their own will eventually turn on them. Unfortunately, he doesn't know who or when!