The X-Men's interpersonal connections have long been some of the franchise's best elements. The intense rivalries, deep friendships, and surprising romances that form between the mutant heroes bring a fun sense of drama to the titles. But that doesn't mean they're able to look past every choice made, which can add additional layers to already tragic turns.
Source:https://www.cbr.com/x-men-iceman-last-words-tragedy-marvel/