And there's another hero between her and the villain. Which is where she learns she can aim her power but not go around someone.
True, this is early in her powers -- she hasn't had them a week -- but I think this one is going to stick.
Superpowers are always a trade-off between too weak to actually qualify as a power and too strong to let there be a a story. There will be a discussion shortly about her powers and the need to intensely train her despite many other demands on manpower, because you can either put in her the middle of a bunch of people who can protect her -- and whom she can endanger -- or teach her to protect herself.