The below are Aquaman's costumes from Injustice 2 offered since release.

Console players, it seems will be getting Aquaman's armor along with bits and pieces of Gear relating to the other Leaguers, such as Batman's Tactical Cowl, or the DCEU Superman's 'S' sigil. This includes any alternate costumes, game edition costumes, and the god and demon shader packs.
The Minecraft Skin, Injustice 2 Aquaman, was posted by Brianb2232. Injustice 2 Aquaman One of my personal favorites ENJOY Comment any requests for a skin Download skin now! Note that he is wearing his base armor in each picture.

The apparent exception, of course, being Flash and his full set. There are a few Premiere Skins that can also be unlocked through other methods - which include DLC, through gameplay, or owning the Ultimate Edition of Injustice 2.