Girl Wearing Superhero Panties

Trademark status
Most dictionary definitions and common usages of the term are generic and not limited to the characters of any particular company or companies.
Nevertheless, variations on the term "Super Hero" are jointly claimed by DC Comics and Marvel Comics as trademarks. Registrations of "Super Hero" marks have been maintained by DC and Marvel since the 1960s. (U.S. Trademark Serial Nos. 72243225 and 73222079, among others).