Superhero fiction

Superhero fiction is a genre of speculative fiction examining the adventures, personalities and ethics of costumed crime fighters known as superheroes, who often possess superhuman powers and battle similarly powered criminals known as supervillains. The genre primarily falls between fantasy and science fiction spectrum of scientific realism. Superhero fiction originated from the cultural intermingling of Japan and United States literature. It is most commonly associated with American comic books, though it has expanded into other media through adaptations and original works. Wikipedia