See, that's one of the things I just don't get about other universes that don't have a Citizens Crime Fighting Act.

Without some form of government recognition, with having to resort to only your own wits to keep a secret identity, you can't really do anything in the face of things like that. Action figures, T-Shirts, heck, even websites could just spring up and there'd really be no legal recourse if a court doesn't recognise your heroic identity.