Thongor in the Valley of Demons – short story by Robert M. Price. Published in The Mighty Warriors (2018)
Thongor Conquers the Underground World by Robert M. Price & Lin Carter (2023) [novel based on unused outline by Carter]
Adaptations
In 1975, a Thongor film was planned to begin production on a $3 million adaptation in 1978, Titled Thongor in the Valley of Demons[3][4] the film was intended to be the first major release for producer Milton Subotsky's company Sword and Sorcery productions following his departure from Amicus Productions.[3] Subotsky intended Thongor in the Valley of Demons to be the first in a series of films with Subotsky having already written treatments for two follow-ups Thongor in the City of Sorcerers and Thar, Son of Thongor with the latter adapted from a novel Lin Carter was in the process of writing.[5]Stop-motion animator Jim Danforth had initially been considered to direct, but instead the producers hired Harley Cokeliss.[6] The effects work was to be handled by Barry Leith, best known for his work on The Wombles.[6] Subotsky had intended to have Arnold Schwarzenegger star as Thongor, but by the time Subotsky approached him Schwarzenegger had already signed a deal with Edward R. Pressman for Conan the Barbarian.[3] The project was later cancelled.
References
^Thongor at The Appendix to the Handbook of the Marvel Universe