All the books by Gardner Fox adapted to cinema and television, ranked

Thousands of years ago, Darkseid and his Parademons attempted to conquer Earth using the Mother Boxes after learning that Earth harbored the Anti-Life Equation. Steppenwolf aims to regain Darkseid’s favor by gathering the boxes to form the Unity, which would terraform Earth in the likeness of their world Apokolips.

On Earth-2, with Nazi Germany invading most of Europe and Adolf Hitler seeking magical artifacts, President Franklin D. Roosevelt is asked by Colonel Steve Trevor to get the United States involved by creating a team of superhumans. Guided by Doctor Fate’s voice, Allen arrives in what he believes is the past during a battle between the JSA and the Nazis.

Thousands of years previously, Steppenwolf and his legions of Parademons had attempted to take over the Earth using the combined energies of the three Mother Boxes. Steppenwolf aims to regain favor with his master Darkseid by gathering the boxes to form The Unity, which will destroy Earth’s ecology and terraform it in the image of Steppenwolf’s homeworld.

Who is the enigmatic gunslinger wielding a golden lasso, the fierce warrior donning a dark knight’s helmet, and the unassuming, bespectacled G-man? Their significance becomes paramount as they hold the key to saving Wonder Woman, Batman, and Superman – who mysteriously vanished from Earth – from the perilous realm of Warworld, an all-powerful battle planet.