countermyth
/ˈkaʊntərˌmɪθ/
noun
- A story or belief created to oppose or replace another myth, often to challenge a widely held but false idea.
- Some activists create a countermyth to fight harmful stereotypes about their community.
- The historian wrote a book presenting a countermyth to the old legend about the city's founding.
- The movie offered a countermyth to the traditional hero story, showing a flawed protagonist.