Batman v Superman: Dawn of Justice director Zack Snyder sent out the first official poster last night featuring Jason Momoa as Aquaman, but, as we pointed out earlier today, the most intriguing aspect of the one-sheet is the tagline "Unite the Seven." The two most prevalent theories are that the tagline refers to "The Seven Seas," which Aquaman rules over, or the seven members of the Justice League, Superman (Henry Cavill), Batman (Ben Affleck), Wonder Woman (Gal Gadot), The Flash (Ezra Miller), Cyborg (Ray Fisher), Green Lantern (who has yet to be cast) and of course Aquaman himself.