Collects New X-Men (2004) #16-19, Secrets of House of M. When orders come down that a leader of the human resistance in Japan must be assassinated, S.H.I.E.L.D.'s highly trained Hellions squad is called in to do it. But when a team of future mutant leaders called the New Mutants find out about this, they must intervene to put an end to a guaranteed disaster of global portions!

Collects New X-Men (2004) #16-19, Secrets of House of M. When orders come down that a leader of the human resistance in Japan must be assassinated, S.H.I.E.L.D.'s highly trained Hellions squad is called in to do it. But when a team of future mutant leaders called the New Mutants find out about this, they must intervene to put an end to a guaranteed disaster of global portions!