Gambit (1999) #8

They're back, the two men who have scarred Gambit's life: Sinister and Sabretooth! With the lives of the young Nina and her fellow Mannites hanging in the balance, Remy LeBeau must seek out the help of the man who’s nearly destroyed his life, the man to whom he owes an unimaginable debt: the mad genius known as Sinister! But to get to him, Gambit must go through the psychotic demon that’s tortured his nightmares and stolen the future of countless innocents, the killer called Sabretooth!