superherodom

noun2

1. •
   (informal) The realm of superheroes.

   • The costumes of superherodom's most enduring figures, such as the costumes of Superman, Batman, Dr. Doom, Daredevil, and Spider-Man have endured for decades... — 2008
2. •
   (informal) The deeds of superheroes.

   • It had been another long day of superherodom for our supersized superhero... Pudgy Boy. — 2006