My Super Ex-Girlfriend is the story of regular, superpower-less Matt. When Matt is unable to ask out his long time crush, Hannah, he goes on a few dates with Jenny. Jenny soon reveals her true identity to Matt as the superhero, G-Girl, and does not take too kindly to Matt's desire to break up with her and date Hannah. Meanwhile Jenny's ex-boyfriend / arch-nemesis Professor Bedlam is trying to use Matt to get to Jenny. Mediocre hilarity ensues.