Superwoman - Not So Dumb
A young, blonde, female bully - an expert in martial arts with a bad attitude - is confronted by Superwoman when mugging a man in an underground car park. After receiving a warning from the mighty heroine, the girl tracks Superwoman down to ask for her help. However, after inviting the blonde into her apartment Superwoman is tricked, and the girl goes about stealing superwoman's powers.
Once complete, the new evil Supergirl then imposes her new amazing superpowers on anyone that has done her harm, including the two men in her gang. And after seeing that the power has completely gone to her head, the two men decide to hatch a plan with the real Superwoman to steal her powers back.