Iceman is lured to Japan by his ex-GF Opal Tanaka, where he faces the “Augmen,” who are basically mutated (not mutants).
It’s a corporate scheme, Bobby has to stop them, etc.
As far as stories go, it’s fairly standard mutant hate/evil scientist stuff. But the dialogue is good and there are some attempts at character development (Bobby has a son!) that, sadly, never really go anywhere.
So Iceman is a DAD!!!! Awesome!! Take THAT, you idiots who prefer to believe that the ol’ Icer is light in the loafers!!