Comic - Superwoman - Scientist
Sonic Girl saves the day when a young genius's experiment goes horribly wrong and only the Girl of Steel is able to shut down radiation reactor.
When visiting the disgraced scientist the next day, Sonic Girl - in her civilian clothing - finds something rather unexpected. The scientist's experiment had worked with grave consequences.
The two young women then battle it out - the scientist with her new super strength and super powers versus the amazing Sonic Girl.