Uncanny X-Men #11 (2015)

NEW STORY ARC STARTS NOW! Someone is weaponizing mutants and turning them loose on the enemies of mutantkind... which happens to coincide with the X-Men's discovery that MAGNETO has not been altogether forthcoming about the means he's been employing to protect the mutant race. Eager to know exactly what Magneto's been up to, the X-Men investigate starting with the all-new, all-different HELLFIRE CLUB! Rated T+