They get written in a fictional story as one.

There are dozens of fictional and fantasy superheros

An anti-fandom is the group of anti-fans of a television show, movie, book or fictional character.

Yes. They are also anti-werewolf, anti-vampire, anti-mermaid, anti-unicorn, anti-fairy, and anti-every other mythological, fictional, and delusional character and organization.

"Hogan's Heroes" took place in a fictional German prisoner-of-war camp during World War II.