As a result, caped crusaders have also invaded the small screen, with many comic book-based superhero series airing across multiple networks and streaming services.
Now, Gotham showrunner Bruno Heller discusses the difficulty of bringing superhero mythology to life on television.
TV is about real people and faces, and not so much about magic and the supernatural things.
The comic book constituency has become so large and visible with the whole Comic-Con thing that it is very easy to assume that the audience is purely comic book enthusiasts.