Over the last few months rumors have been swirling around the Batman v Superman: Dawn of Justice film, that Jason Momoa had been cast in an undisclosed role. He's flat out denied it repeatedly, even laughing at the notion that he'd be portraying Aquaman. But today the internet is saying that it's been "confirmed" that the Game of Thrones star has been cast as Aquaman for the 2016 comic book blockbuster.