Momoa posted the image to his Instagram account as well with: "E hui Ka Hiku! Unite the seven. It's on kanaka maoli suppa hero. Aloha.aquaman BOOM. Mahalo zack."
Jason Momoa will first be featured as Aquaman in Batman Vs. Superman and Justice League before getting his own solo Aquaman movie in 2018.
"Batman v Superman: Dawn of Justice" has a March 25, 2016 release starring Ben Affleck as Batman, Henry Cavill as Superman, Gal Gadot as Wonder Woman, Amy Adams as Lois Lane, Laurence Fishburne as Perry White, Diane Lane as Martha Kent, Jeremy Irons as Alfred, Jesse Eisenberg as Lex Luthor, Ray Fisher as Cyborg with Callan Mulvey, Holly Hunter and Tao Okamoto in new character roles for the film. Justice League is to follow directed by Zack Snyder as well.