Storm has won her first bout in the Arena, but her battles and surprises are just beginning! Her next opponent happens to be an old friend- Callisto!
Storm is now the champion of Tokyo's underground mutant fight club, the Arena, but as her participation grows more troubling truths come to the surface. A former X-Man emerges from the shadows to warn her that not everything is as it seems, and then, an old rival appears to challenge her position.
— Description from Comic Vine community (comicvine.gamespot.com).
