Both Jason Momoa and Rachel Nichols would later get offered the roles of Drax the Destroyer and Gamora in 2014's "Guardians of the Galaxy". But turned them down and Dave Bautista and Zoe Saldana took the roles.
The film was originally rumored to be a remake of the 1982 film. It was revealed that the film was not a remake, but a reboot and it had been intended to be more true to the original stories by Robert E. Howard.
A "Conan" sequel was abandoned, when the film did poorly at the box office. However, Arnold Schwarzenegger whom played Conan in the 1982 film announced he was to return in the role of Conan, which last played in 1984 in a long-awaited 2nd sequel "The Legend of Conan", which will be a direct sequel to the 1982 film.
Jason Momoa's "Game of Thrones" co-star Emilia Clarke would go to star opposite Arnold Schwarzenegger in the 2014 reboot "Terminator: Genysis". Schwarzenegger played Conan in the 1982 film, which this film is a reboot.
2nd reboot featuring Rachel Nichols whom 2 years earlier had a scene in the 2009 reboot of "Star Trek". Like this reboot, we see both Conan and James T. Kirk born, both Conan and Kirk's fathers are killed by the main antagonist and Rachel Nichol's characters are both romanced by the main protagonists.