For decades the X-Men have stood as the foremost mutant heroes of the Marvel Universe. During this time, each individual member of the team's first lineup has gone through substantial changes, although none quite so much as Bobby Drake, better known as Iceman. However, the latest evolution in Bobby's life has not only put him at risk of losing everything, but may also doom the X-Men and their mutant allies.
Source:https://www.cbr.com/x-men-iceman-evolution-mutant-attack-marvel/