Who are the urban justice league?

There is no known group or organization called "Urban Justice League." It's possible you might be thinking of a fictional group from a comic book, movie, or TV show.

If you could provide more context about where you encountered this term, I might be able to help you identify what you're looking for. For example:

* What was the context of the term "Urban Justice League"?

* Was it mentioned in a book, movie, TV show, or online article?

* What kind of organization or group were you expecting it to be?

With more information, I can better understand your question and provide a helpful answer.