Some have gone so far as to propose a sanctioning body to ensure that high super-hero standards are maintained.
"The movement has grown majorly," said Edward Stinson, a writer from Boca Raton, Fla., who advises real-life superheroes on a website devoted to the cause. "What I tell these guys is, 'You're no longer in the shadows. You're in a new era. ... Build trust. Set standards. Make the real-life superheroes work to earn that title and take some kind of oath."'