- Wikipedia: Superhero
Detailed overview of the superhero, with information about their common traits, history of superheroes in comic books, their growth in diversity, and treatment in film, TV, animation, and radio.
- Superhero DataBase
Large database of superheroes, villains, and groups and superhero teams, with pictures, stats, bios, and origins.
- BBC: The Science of Superheroes
Explores related scientific facts based on the most popular superheroes, including Spider-Man, Wonder Woman, and Superman.
- Larger Than Life - The Superheroes Fanlisting
Online list of fans of superheroes.