10 years ago, an Atlantean criminal known as Kandor was imprisoned for his crimes made against the Atlantean council. Kandor’s wife Siren, the daughter of King Nereus and twin sister to Mera upset with this decision abandoned Atlantis and her family.
10 years later; Arthur Curry and Mera have been married for 6 months and have enjoyed life as king and queen. The two have been expecting their first born child, which has been announced to the fellow Atlanteans. King Nereus tells Arthur and Mera that he received a message from Siren that she will be returning to Atlantis to give her blessing to the new King and Queen. However upon her return, Siren brings along her new army of abandoned and vanished from Atlantis. Killing all of Atlantis’s army men and soldiers in the process, Arthur and his army attempt to fight back but fail. Siren too powerful for the Aquaman and she vanished Arthur out of Atlantis with Mera, Vulko, and King Nereus vanished.
