Aquaman and the Lost Kingdom

Aquaman and the Lost Kingdom is a 2022 film based on the DC Comics character, Aquaman and the thirteenth film in the DC Extended Universe. It is scheduled to premiere on December 16, 2022.

Synopsis
When an ancient power is unleashed, Aquaman must forge an uneasy alliance with an unlikely ally to protect Atlantis, and the world, from irreversible devastation.