Earth-2 is a fictional universe in the DC Comics multiverse, first introduced in the 1960s. It features an alternate version of Earth where many iconic superheroes, such as Superman, Batman, and Wonder Woman, exist but often have different origins, powers, and identities. This universe allows for unique storytelling and character development, showcasing how familiar heroes can evolve in different circumstances. In Earth-2, the timeline diverges from the main DC Universe, leading to distinct events and character arcs. For example, the original Green Lantern, Alan Scott, and the original Flash, Jay Garrick, are prominent figures in this universe. Earth-2 serves as a platform for exploring themes of legacy and heroism across different generations.