[He only just manages to hold back the almost automatic 'not in Gotham,' but that would involve a pretty lengthy discussion of his city's rather corrupt politics, and that's probably not important right now. It also doesn't explain... Basically everywhere else.]

Well, there are some things that the police and the armed forces aren't really equipped to deal with. That's where our superheroes come in. To deal with the things that the rest of us just can't.