Bullet to the Head wasn't the success or epic action film that Sylvester Stallone hoped it could be, but it was a great vehicle for supporting actor Jason Momoa to get some positive buzz back in his corner after starring as Conan the Barbarian.

Momoa had a limited but impressive role in HBO's Game of Thrones and now he's joining one of the world's biggest film franchises, as one of the core members of Marvel Studios' upcoming Guardians of the Galaxy.

Latino-Review - who've been leading the charge in dropping Guardians news bits before Marvel even confirmed the film - has the scoop on the major casting news, and according to their trusted (and proven) sources, Jason Momoa will play Drax the Destroyer.

According to the report, Momoa won Marvel's attention with an impressive screen test and they immediately offered him the part. He's currently in negotiations to join the James Gunn written and directed film.

Drax is the second character to be cast, with Chris Pratt signing up as the film's lead Peter Quill AKA Star-Lord last week. Unsubstantiated rumors previously listed Isaiah Mustafa (center in the below image), Brian Patrick Wade (left) and Dave Bautista (right) as being up for the role.

Isaiah Mustafa Brian Patrick Wade Dave Bautista

With his physically focused roles in Stargate Atlantis, Conan the Barbarian and Game of Thrones, Momoa is no stranger to showing off his upper body muscles and wielding bladed weapons, and that's exactly what Guardians of the Galaxy needs. Take a look at the official Guardians concept art version of Drax to see - looks like Momoa will make due without the long hair for this role:

Drax the Destroyer in Guardians of the Galaxy Movie

Like Pratt, Momoa is another great pick-up for the franchise, as someone who has many years ahead of him in the business, is on the edge of becoming a star in Hollywood, and can easily become a fan-favorite - especially as the ruthless Drax whose one objective in life, after dying as a human and being re-purposed as a weapon, is to hunt down and destroy Thanos.

James Gunn has very clear and specific ideas for each of the characters according to executive producer Victoria Alonso, and next, needs to cast voice actors for Rocket Raccoon and Groot, while choosing a female lead for Gamora. Other characters they may be casting for include Nova, Quasar, and potentially many other beings from Marvel's cosmic universe. Pre-production and special effects/animation work has already begun and principal photography begins this June in London.

[Update: Additional reports indicate Momoa and his agent were in negotiations for higher pay and it's gotten to the point where Marvel Studios has re-begun screen testing other actors for the role.]

More shortly... Let me know on Twitter if you approve of this casting @rob_keyes.

Iron Man 3 releases May 3, 2013, Thor: The Dark World on November 8, 2013, Captain America: The Winter Soldier on April 4, 2014, Guardians of the Galaxy on August 1, 2014The Avengers 2 on May 1, 2015, Ant-Man on November 6, 2015, and Doctor Strange sometime after that.

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Source: Latino-Review