Comic book female superheroes appropriate for a 9 year-old girl?

All the new female superheroes are a too sexy for a 3rd grader. My daughter likes the 70s Wonder Woman and an 70s female villain called Hel from a Spiderman comic. It's fine if they're beautiful grown-up women, but for Pete's sake, the new female comic book heroines look like centerfolds. Suggestions?
Update: Oops, the villain she liked was "Hela" and she fought The Mighty Thor!
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