Ultimate X-Men (2001 1st Series) #47

The Tempest, part 2 of 4. Mutants are turning up dead ? murdered in New York City. Someone is targeting them. When Charles Xavier learns of this, he puts his X-Men on the trail of the killer. But are Xavier's children of the atom the hunters ? or the hunted? And who is the mysterious figure in shadow that this serial killer follows implicitly? The answer will absolutely shock you!