The perfect mutant-killing machine has MUTATED. As the X-Men fight for their lives against the most fearsome SENTINEL yet, one X-Man decides to do the unthinkable! Will it take the life of one X-Man to save the rest?
The perfect mutant-killing machine has MUTATED. As the X-Men fight for their lives against the most fearsome SENTINEL yet, one X-Man decides to do the unthinkable! Will it take the life of one X-Man to save the rest?