The pic was taken on Heard's first day of shooting for the film, which will see Jason Momoa's Aquaman take on the Ocean Master (Patrick Wilson), Aquaman's half-brother, who seeks to claim the throne of Atlantis for himself. Along with Aquaman, Mera will make her introduction to moviegoers a year early, as she is slated to appear in Zack Snyder's "Justice League, which is due out in November.
When Heard and Momoa appear in "Aquaman," they will be joined by Nicole Kidman, who plays Aquaman's mother, along with Willem Dafoe as Dr. Vulko and Dolph Lundgren as King Nereus.
"Aquaman" hits theaters November 21, 2018. The next installment in the DC Extended Universe, "Wonder Woman," will arrive in theaters June 2.