As you can see in the photo below, the cake features Mera -- the iconic DC Comics character that Heard is debuting in Justice League and fleshing out in Aquaman -- with her signature and vibrant red hair, golden crown, and bright green costume. The future Queen of Atlantis is in action pose, rising from the ocean.
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Fueled by his restored faith in humanity and inspired by Superman’s (Henry Cavill) selfless act, Bruce Wayne (Ben Affleck) enlists the help of his newfound ally, Diana Prince (Gal Gadot), to face an even greater enemy. Together, Batman and Wonder Woman work quickly to find and recruit a team of metahumans to stand against this newly awakened threat. But despite the formation of this unprecedented league of heroes—Batman, Wonder Woman, Aquaman (Jason Momoa), Cyborg (Ray Fisher) and The Flash (Ezra Miller)—it may already be too late to save the planet from an assault of catastrophic proportions.
The cast also features Amy Adams as Lois Lane, Jesse Eisenberg as Lex Luthor, Jeremy Irons as Alfred Pennyworth, J. K. Simmons as James Gordon, Willem Dafoe as Vulko, Amber Heard as Mera, Ciaran Hinds as Steppenwolf, and Kiersey Clemons as Iris West.
The film is being directed by Zack Snyder, based on a screenplay by Chris Terrio
Justice League will open in theaters on November 17, 2017.