Every DCEU Movie Has Set Up Aquaman: Here's How

Poseidon Is Part Of Wonder Woman's Greek Gods

Set in 1918 during World War I, Wonder Woman is a prequel film to the DCEU but it also contained flashbacks set thousands of years ago when Queen Hippolyta (Connie Nielsen) explained her daughter Diana's mythical origins, how the Greek gods created the Amazons, and how Ares (David Thewlis) slew his fellow gods so that he would be the only one remaining - until Diana was born to Zeus and Hippolyta with a secret destiny as the God-Killer. One of the Greek gods who Ares killed was, of course, his brother Poseidon, the god of the seas, who has ties to Atlantis, the lost underwater kingdom.

Wonder Woman's set up for the Greek gods prefaces the history of Steppenwolf's first invasion of Earth, as shown in Justice League: Thousands of years ago, Steppenwolf tried to use the Mother Boxes to create the Unity and terraform Earth, but was defeated by an alliance of men, Amazons, Atlantians, the Greek gods, and Green Lantern Yalan Gur fighting together. This established a common bond between Wonder Woman and Aquaman's races forged millennia ago, which plays into them being teammates in the League in the present day.

Justice League's Atlantis Scenes Set Up The Aquaman Movie's Plot

Justice League not only united the six superheroes against Steppenwolf, but it also gave fans their first glimpse of Atlantis, setting the stage for Aquaman to fully realize his corner of the DCEU. In Justice League, Steppenwolf sought to acquire the three Mother Boxes so he could terraform the Earth into another Apokolips. After attacking the Amazons' hidden island of Themyscria and taking the first Mother Box, the alien conqueror targeted the second Box, which was kept in a guarded vault in Atlantis.

Aquaman rushed to the undersea kingdom and fought Steppenwolf with the aid of Mera (Amber Heard), but they both failed to keep the Mother Box away from the Apokoliptian warlord's grasp. Afterward, Mera and Aquaman spoke in an air bubble where some of Aquaman's backstory was revealed: that Arthur was the first born of Queen Atlanna (Nicole Kidman) and Mera knew Arthur's late mother. Arthur countered with his resentment at his mother for abandoning him in the care of his human father. This conversation set up Aquaman's commitment to helping the League stop Steppenwolf while also laying down the basics of Arthur's history and personal conflicts, which will be the core of Aquaman's story. Don't expect those air bubbles to return, however.

Next: Aquaman: Every Update You Need To Know

Key Release Dates
  • Aquaman (2018) release date: Dec 21, 2018
  • Shazam! (2019) release date: Apr 05, 2019
  • Birds of Prey (And the Fantabulous Emancipation of One Harley Quinn) (2020) release date: Feb 07, 2020
  • Wonder Woman 1984 (2020) release date: Jun 05, 2020
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