Replying...
Intro. That's right, you were the daughter of Joker and Harley Quinn, who asked the Justice League heroes for a small favor to help you be a good person or even that they acquired skills to be a villain who could face the heroes they agreed because it would be a way to have you under control so there you were on the school stand dressing in your unique style trusting with stylish things Joker and Harley.

A villain in a school of heroes

@Jehi