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In Earth 2, Superman, Batman, Wonder Woman, and Catwoman seemingly gave their lives in order to repel the Apokoliptan invasion, leaving behind a world with no heroes.[16] Supergirl and Robin (Helena Wayne) end up stranded in the mainstream universe towards the end of the invasion.[17] When the Earth-2 Solomon Grundy threatens the world, three new heroes team up to defeat him: the Flash (Jay Garrick), Hawkgirl (Kendra Saunders), and Green Lantern (Alan Scott).[18] In later issues, Mister Terrific (Michael Holt) from the mainstream universe joins the team. Other heroes who have made appearances include Dr. Fate (Khalid Ben-Hassin), the Atom (Al Pratt, now nuclear-powered), the Sandman (Wesley Dodds), Mister Miracle, and Big Barda. In addition, the heroes of the Earth get supported by the World Army. Villains include Solomon Grundy, a now-villainous Terry Sloan, Wotan, Steppenwolf and what was thought to be a surviving, Darkseid-brainwashed Superman, which turned out to be a very powerful but genetically unstable Bizarro-type clone. Writer James Robinson left the series with issue #16 and Tom Taylor became the new writer at #17.[19] Other new characters introduced as the series progresses include a female Red Tornado (an android with the consciousness of Lois Lane which was uploaded that was uploaded into it by Sam Lane and Robotman), a hyper-intelligent knowledge-assimilator known as Accountable (Jimmy Olsen), a new Batman (Thomas Wayne using Miraclo), a new version of Aquawoman (Marella), and a new Superman (Val-Zod, a Kryptonian and a childhood friend of Power Girl's who had been imprisoned by Terry Sloan).

Towards the end of the series, Darkseid launches a second invasion of Earth, which is depicted in both Earth 2 and the weekly series Earth 2: World's End. Another weekly series, The New 52: Futures End, depicts a possible future in which refugees from a destroyed Earth 2 come to Earth 0 and prompt society to fracture. Over the course of the series, several new characters are introduced, such as Yolanda Montez, an Avatar of the Red who is a counterpart of Alan Scott; a second Red Arrow, an Earth 2 equivalent of Oliver Queen; Ted Grant, a former boxer; and Dick Grayson, a journalist who goes on a mission to find his son after his wife Barbara Gordon is killed during the invasion. Others change alignment; Wonder Woman and Steppenwolf's daughter Fury sides with Mister Miracle and the other heroes after Big Barda reveals her loyalty to Darkseid. Huntress and Power Girl return to Earth 2 as well to take part in a mad scramble to save the Earth and then later, to save its people along with a computerized record of human culture and life on Earth created by Bruce Wayne. In Earth 2: World's End #11, it is revealed that Highfather made a deal with Darkseid that he would not interfere with Darkseid's plans for conquest so long as Darkseid only preyed upon one Earth of the Multiverse, which was Earth 2, explaining the recurrent tragedies faced by this world in comparison to others. In the end, Darkseid is successful, and the Earth is destroyed, and attempts to take Earth 2's refugees to Earth 0 are prevented by a time traveling Tim Drake in Futures End. Just as the world ends, several of the Wonders are sent to the planet Telos by Brainiac, where they confront their counterparts from various parallel worlds, both present and extinct, in the Convergence miniseries. Over the course of the series, Batman dies and Dick Grayson, inspired by his Batman counterparts from other worlds, takes up the mantle from Thomas Wayne. Ultimately, the planet Telos is terraformed into a new Earth-like planet and sent to the Earth 2 dimension as a new home for its refugees.

The heroes' fraught attempts at forming a new society, rapidly augmented by Terry Sloan's technology, is depicted in the follow-on series Earth 2: Society (August 2015 – March 2017).[20] It also debuts versions of Hourman and Mist. The final arc of the series recreates Earth 2 again making it appear similar to their universe's first Earth through use of an Amazon artifact known as Pandora's Casket by Ultra-Humanite. This Earth has had no history of Wonders with Ultra-Humanite controlling the world behind the scenes. Following Ultra-Humanite's defeat, the Wonders becomes the world's new defenders and hopes that this Earth is the Earth they can protect.

At the end of Doomsday Clock #12 (2019), Doctor Manhattan reverses the actions that created the "New 52" universe, restoring Alan Scott and the Justice Society's original full histories as before Flashpoint, and the original Earth-Two is explained as existing in the multiverse too.