The Ultimatum Wave hits the X-Men next killing several of the X-Men (Beast, Dazzler, and Nightcrawler). Magneto and the Brotherhood attack the world and Iceman helps the world's heroes fight them off. Most of the X-Men die, but Iceman (alongside Rogue, Storm, Colossus, and Jean Grey) is able to survive Magneto's attack. He is last seen demolishing the X-Mansion alongside Rogue and Jean Grey and burying the deceased X-Men in its place. He finds it hard to destroy their home, but he feels it to be the right thing to do now that Professor Xavier is dead.