Earth dcau
GL and Flash flying through Space
Vital statistics
Type Planet
Level Tier 3: Interplanetary
Location 3rd Planet From The Sun-992
Inhabitants Humans, Kryptonians, Metahumans, Homo Magi, Atlanteans, Amazons, Martians

Earth-12 is one of fifty-one divergent realities that branched from the core New Earth reality during the recreation of the Multiverse shortly following the events of Infinite Crisis. This reality is set fifty-years into the future.

Justice League vs the Fatal Five 3477


13.7 billion BC 

  • The "Big Bang" forms the universe. Batman and the Green Lantern are present when they try to stop analternate version of David Clinton. (JLU: The Once and Future Thing Part Two: Time, Warped)

4.6 Billion BC 

  • The Earth is formed out of cosmic dust orbiting the newborn Sun.

65 Million BC 

  • A majority of creatures, including dinosaurs, on Earth are destroyed by a large meteor. An alternate version of Chucko is present thanks to the alternate David Clinton. (JLU: The Once and Future Thing Part Two: Time, Warped)

Dawn of Mankind

  • An early Cro-Magnon, later to take the name Vandal Savage, is given immortality by a strange meteor. (JL: Maid of Honor)
  • Mankind wages war with the reptilian Ophidians, and emerges victorious. The last Ophidians create the Heart of Darkness, which is sealed away in a temple and guarded by humans for millennia. (JL: Eclipsed)
  • A young Amazon warrior named Hippolyta has an affair with Lord Hades. After attempting to overthrow the Olympic Gods, Hades is banished to the underworld. Hippolyta and her Amazon tribe are forced to guard the gates to Tartarus for eternity. No man is allowed to set foot on their new home Themyscira, dubbed "Paradise Island". (JL: Paradise Lost)
  • The ancient Atlanteans fight against the interdimensional Ichthultu, and Atlantis sinks below the waves. The Thanagarians also rejected Icthultu. (JL: The Terror Beyond)

6000 BC

  • Two Thanagarian law officers, Katar and Chay-Ara Hol fall into a wormhole and crash in Ancient Egypt. With their ship out of fuel and no other way to get home they opt to use their knowledge of advanced technology to improve the lives of the locals as best they can. (JLU: Shadow of the Hawk)

6th Century

  • During the reign of King Arthur, a young man named Jason Blood attempts to betray Camelot to Morgaine Le Fey. His deception is discovered by Merlin, and he is bonded to the demon known as Etrigan.
  • Also, it is believed that the Shining Knight came from this period. (JLU: Patriot Act)

10th Century

  • Early in the 10th century, Prince Jon a Scandinavian warrior of great renown, know throughout the world as "The Viking Prince" stood alone on a frozen battlefield as the sole survivor of a bloody conflict. It was then that he met a Valkyrie, taking the souls of the fallen warriors to Valhalla. Jon and the Valkyrie fell in love, though when Odin, king of the Norse Gods discovered the affair he banished Jon from Valhalla. After Jon pleas with Odin to allow him to be reunited with his love, Odin agrees to allow Jon into the Halls of Valhalla on the condition that he die a heroic death. However, out of cruelty Odin gifts Jon invulnerability from harm by metal, wood, fire and water, preventing Jon from achieving his goal. After many years traveling the world, fighting many battles, searching for his heroic death Jon eventually tires of the endless bloodshed and having grown distant from humanity sails into the frozen north, where he passed out of living memory. (JLU: To Another Shore)

11th Century

  • The Martians fight a war against the Imperium, culminating in the destruction of the Martian civilization. Only one Martian, named J'onn J'onzz, survives. (JL: Secret Origins)

16th Century


  • Gotham City is founded. (BTAS: Cold Comfort)


  • An alternate version of David Clinton travels to this year from the mid-2000s and loses his technology to Tobias Manning. Batman, the Green Lantern, and an alternate version of Wonder Woman arrive to search for Clinton and run into Jonah Hex, Bat Lash, Sheriff Ohiyesa Smith, and El Diablo. Together they all take down Manning and the three Leaguers are sent to their future. (JLU: The Once and Future Thing Part One: Weird Western Tales)



  • In his quest for Lazarus Pits, Ra's al Ghul first finds Thoth Khepera in Egypt. (BTAS: Avatar)
  • Gotham University is established. (BTAS: The Demon's Quest, Part I)


  • First shown in 52 #52, its first full appearance was in Countdown to Final Crisis #21. The Green Lantern of this reality was also one of the participants in Countdown: Arena.
  • It is one of the alternate realities of the post-Infinite Crisis Multiverse.
  • Referred to as a "next generation world," it is similar to the reality shown in the animated series "Batman Beyond."


  • There are only seven Green Lanterns, each protecting one of the seven primary galaxies. Hal Jordan's is the Milky Way.[1]
  • The current Green Lantern of the Milky Way Galaxy, Hal Jordan, is the grandson of the original Hal Jordan.[2]

Community content is available under CC-BY-SA unless otherwise noted.