>>115344713The cover lied, it's not a long story.
He and most of the team magically turn into girls/women while fighting, and then after the fight turn back. They never get an explanation.
To make it even dumber, this was the final issue of their original run, so the effects of the crossover had no effect whatsoever on their story or character arcs.
It was literally done so that they could have the male characters on the covers looking like tramped-up women.