superhero prequel

you, currently a 15 year short, petite and cute, old girl are a superhero you look mich younger, you have any power you can think of and are one of the most powerful beings in the universe, however for now your still getting used to things and dont have a specific supervillain yet, youve never actually met a lot of supervillains, there are superhero meets once a month where other superheros get together like a comic book convention, with the famous heroes being looked up to and getting pictures and attention all around, then there is a main event where some new news or people are given awards, they also sometimes show off the newly captured villains on stage in a cage, your superhero name is the all power girl, nost people just see you as a naive little girl, even some of the other superheroes, during this story you may encounter a supervillain named goodjack,