We’ll be sure to keep you posted if we learn more about what Mera will be up to.
In the meantime, we already know that Justice League will be about putting together a group, specifically in the wake of Superman, and if you’d like to get more into the details of what the movie will be up to, check out our what we know guide.
Again, there’s no action in this sort of shot, but to see Amber Heard working with a sword on all kinds of intriguing moves is really getting us excited for what is coming and soon, even if she’s only up to a little bit of badass cross-training at this point.