Amber Heard is ready to go under the sea and join the DC cinematic universe!

ET confirmed on Thursday that the 29-year-old actress has been cast as Mera, the undersea queen and wife of Aquaman in the DC Comics canon. Heard will make her first appearance as Mera in 2017’s The Justice League Part One before appearing in the 2018 standalone Aquaman film opposite Game of Thrones star Jason Momoa.

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The actress exclusively dished to ET’s Katie Krause about her sea queen costume.

“It’s interesting. It’s like, half suit of armor, half scales,”; Heard revealed. “It’s strange… We’re in the process of building it now, so it’s coming along.”;

Batman v Superman: Dawn of Justice director Zack Snyder is set to helm the two-part Justice League films, while Furious 7′s James Wan will be directing the Aquaman standalone feature.

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