Just finished listening to it. It's fine, but if I'm not mistaken she seems to be a hot headed character, so maybe some drastic tempo changes and faster/noisier segments could have been added. It's a bit too calm.
If I am mistaken about her character, then disregard my comment.
Btw, for the Shazam theme, don't forget to insert the "SHAZAM!!!" voice clip, you know when Billy shouts the name. Maybe add some echo effect to it and don't overuse it. It would probably be best to use it only once or twice. Maybe after Billy says it the track goes thunderous electric wild lol. And then once again at the end of the track "SHAZAM-AM-AM-M!!!" (
