Mera is the queen of Atlantis, and wife of Aquaman. Heard is expected to have a small supporting role in Justice League, before co-starring with Jason Momoa in the 2018 Aquaman movie.
IGN also released some concept art, as well as a sketch by costume designer Michael Wilkinson. Check it out in the gallery below.
Zack Snyder shared a few words about the image this afternoon on Twitter:
Saw this hydrokinetic vision come out of the sea and snapped a photo with my Leica. pic.twitter.com/rwU54XzScK
— Zack Snyder (@ZackSnyder) October 12, 2016