[dr2005]

Validity in the field of religion is always a prickly topic at the best of times, if for no other reason than what constitutes "validity" in terms of a belief is highly subjective. Even concepts in which one would assume there is some certainly, such as fairness and justice, you have a whole smorgasbord of different perspectives and opinions on what is "fair" or what is "just". As such, I tend to avoid questions like this like the plague. If we take the broadest possible definition of religion, for which I would say any system of beliefs or philosophies with a spiritual element, then provided there is some form of spirituality involved in proceedings then it could legitimately be viewed as a religion. How one incorporates such spirituality into the story of an orphaned martial arts expert and vigilante beating up criminals in a fictional city, on the other hand, is something I'm not too sure about...