We reported last week that Gal Godot had been announced as the Wonder Woman to Ben Affleck’s Batman and Henry Cavill’s Superman, and the casting news goodness just keeps pouring in. Today we have news that Game of Thrones star Jason Momoa is in talks to join Batman vs. Superman in a yet-to-be-identified role.

There is already much speculation at THR, where the story was broken, as to whether Jason Momoa could possibly be hero Martian Manhunter (a extraterrestrial humanoid trapped on Earth), also a member of the Justice League, or genetically engineered supervillain Doomsday. Both sound awesome. Doomsday sounds the more probable of the two.

We’ll keep you posted on the latest for Batman vs. Superman, slated to hit theaters July 17th, 2015.