Speculation is that he'll either play villain Doomsday, who killed Superman in a 1992 comic or possibly Justice League hero Martian Hunter.
Either way, he's got a commanding presence on the screen. In addition to Drogo, Momoa was Conan in the "Conan the Barbarian" reboot.
It's interesting to see the "Game of Thrones" stars outside of the bailiwick of the bloody fantastic TV series, although nothing beats Peter Dinklage in "Elf."
"He's an angry elf."
Read more on hollywoodreporter.com.