Fan Casting Aquaman (Phase 3: Movie 7)

As Arthur ruled his kingdom peacefully, he and his brother Orm began to grow closer together. Soon Mera's sister Siren has returned from exile to get her revenge on the seven kingdoms and has learned new evil spells. She planned to raise the dead king Atlan to help her rule Atlantis, but her plan backfires when the king, corrupted by ancient black magic, vows to take back his throne and rule the seven seas once again and Siren will help lead his army of the dead and the trench with the Trident of the Trench. Arthur, Mera, Tempest, and Orm must band together to defeat Siren and the Dead King.