James Wan continues filming Aquaman in Australia where new set images reveal what appears to be some type of Atlantean super soldier.
An actor was spotted on set in what is assumed to be Atlantean armor wearing a harness and getting craned into position. Some sort of Atlantean gun or weapon also appears in the right hand. Comic-Con also revealed footage of Ocean Master's Army so it's possible this is another look at one of his soldiers (see below).
A third pic also shows what appears to be a stuntman getting thrown out a window. It's unclear who the character is supposed to be, but it could be for Jason Momoa's Aquaman.
Pic from the Aquaman Comic-Con footage:
Aquaman has a December 21, 2018 release starring Jason Momoa as Aquaman, Amber Heard as Mera, Willem Dafoe as Nuidis Vulko, Patrick Wilson as Orm the Ocean Master, Yahya Abdul-Mateen II as Black Manta, with Temuera Morrison as Aquaman's father, Thomas Curry, Nicole Kidman is playing the mother to Aquaman, Queen Atlanna, and Dolph Ludgren is King Nereus.