Uncanny X-Men #360

"Children of the Atom" At Cape Citadel, Florida, a mysterious rocket is about to be launched whose secret and sinister purpose is to track and terminate mutants on a global scale; With Excalibur disbanded, Kitty, Peter and Kurt are relaxing on a cruise ship when they are attacked by a group calling themselves the X-Men; Kitty is captured and taken to see the missing Professor X who has a little computer problem for her to decipher; The real X-Men are on the way to Cape Citadel when the fake X-Men attack; Colossus and Nightcrawler join them in battle.