Warner Bros. Warner Bros. debuted the first trailer for "Aquaman" at San Diego Comic-Con on Saturday. Jason Momoa reprises his role as Arthur Curry after his role in "Justice League." The movie will follow Curry's origin story as his love, Mera (Amber Heard), convinces him to take over the mantle of King of Atlantis. Willem Dafoe and Nicole Kidman also star. Yahya Abdul-Mateen II will play the movie's villain Black Manta.