back. Nereus swore his allegiance to the Dead King Atlan. When Aquaman arrived, he and Mera fled from Xebel when Nereus and his men pursued them. Nereus led his forces into invading Atlantis, where Mera was captured. Some months later, Nereus was tasked by Atlan to find the other four Atlantean kingdoms where the Trench, the first one that was found, was. After Atlan was defeated, Nereus found the Ocean Master in Louisiana and told him that he knows where the other four Atlantean kingdoms are. Nereus in other media Nereus appears in the DC Extended Universe film Aquaman, portrayed by Dolph Lundgren. This version is Mera's father. In the first Aquaman film, using a submarine provided to him by David Kane, Orm tricks Nereus into siding with him in his campaign against the surface world while arranging for Mera to be betrothed to him. After Mera helps Aquaman escape, Orm tells Nereus that Mera perished in the escape. Nereus accompanied Orm in his trip to the Kingdom of the Fishermen. When the Fisherman King Ricou turned down Orm's offer, he was killed while Nereus killed the two guards that tried to avenge him. Nereus then watched as Orm persuaded King Ricou's wife Queen Rina and daughter Princess Scales to take the offer. During the attack on the Kingdom of the Brine where Orm became the Ocean Master, Nereus fought the Brine soldiers and told the Ocean Master that they need the Brine King alive. When Aquaman arrives on the back of the leviathan Karathan and summons an army of sea creatures, Nereus is told by Princess Scales that Aquaman is also commanding the Trench, which Nereus considered impossible. Mera finds her father and informs him that Aquaman has King Atlan's trident, causing Nereus to switch sides. He then watches Aquaman's duel with the Ocean Master, where Aquaman is victorious, and even sees Atlanna appear. As the Ocean Master is taken away by the Atlantean guards, Nereus and the other Atlantean kingdoms accept Aquaman as their leader. A version of Nereus named Ryus Nereus appears in Young Justice, being a combination of the Ryus character and Nereus character from the comics. This version, while sharing the name of Ryus, is instead characterized more similarly to Nereus from the comics and is portrayed as a abrasive ruler of Xebel and a political rival of Aquaman. During the events of season four,