I didn't see one! And to me, "Mary Shazam" is far worse than giving Billy the wizard's name.
Anyway, Bombshells Mary Marvel appeared in my Tumblr feed:
bombshells mary marvel.jpg
Miri Marvel! She has an entirely Old Testament-based pantheon in the Bombshellsverse. I love the magical girl-esque costume here, she even has a wand. Come to think of it Mary was the original magical girl...