Aquaman and the Lost Kingdom

Aquaman and the Lost Kingdom is a 2023 film based on the DC Comics character, Aquaman and the twelfth film in the DC Extended Universe. It is scheduled to premiere on March 17, 2023.

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.