TJ, Maybe she could be a Red Riding Hood Expy with kickass blades? Just call her Red Hood? 

Or maybe Red Sun? And if you want a character with less power, the RP could use somebody who just have a super-charged brain or is an inventor type. 

HWWB, It's a very good sheet. But her cynicism of the League is a little misplaced. Most of the League are working-class joes, all the money goes to operation costs and charities. Though there certainly are a fair load of gloryhounds and super-celebrities. Then again that can just be personal bias coloring her perception. 

I'm guessing you plan on her to join the League later? All the characters need to be connected to it somehow. 

Accepted.