Justice League started filming yesterday in the UK.
Check out video below that Aquaman Jason Momoa posted on Instragram of himself getting in a workout.
Mark Twight is training Momoa for the role, with Momoa adding to the post: "Coach @wfmft getting ready for the castle. Watchtower."
The Watchtower is the space station the Justice League use as their headquarters.
Below you can also check out Jason Momoa with Cyborg Ray Fisher.
Justice League has a November 17, 2017 release directed by Zack Snyder also starring Ben Affleck as Batman, Henry Cavill as Superman, Gal Gadot as Wonder Woman, Ezra Miller as The Flash and J.K. Simmons as Commissioner Gordon.