Six months following Superman's The Death of Superman (film) Doomsday (DC Comics), the world has been introduced to four new, different versions of the hero: Superboy (Kon-El), Steel (John Henry Irons), Cyborg Superman, and the Eradicator (comics). Each one of them is different in their personalities and crime-fighting style compared to the original Man of Steel; leaving the world questioning which one, if any, is the true Superman come back to life. Lois Lane, still reeling from Clark's death, decides to investigate.