The original Injustice League was the brainchild of the interplanetary conqueror, Agamemno. Bored of his dominion, he set out to conquer Earth and their champions, the Justice League. Aided by Kanjar Ro, Agamemno contacts Lex Luthor and they recruited eight other villains to their cause. Earth, also known as the Earth, Terra, and (mostly in the 19th century) Tellus, is the third planet outward from the Sun. ... The Justice League of America, featuring the Flash, Superman, Aquaman, Batman, Wonder Woman, the Martian Manhunter, and Green Lantern. ... Lex Luthor is a fictional character, a DC Comics supervillain and archenemy of Superman. ... A stereotypical villain. ...

Agamemno then engineered a switch wherein the villains' minds switched with those of the JLA. In the true JLA's absence, other Silver Age heroes came to clash with the now seemingly evil heroes. Eventually, Green Lantern used the power of the Oa's Central Power Battery and a thanagarian weapon called Absorbascon to reverse the mind-swap. A silver age is a name often given to a particular period within a history, typically as a lesser and later successor to a golden age, the metal silver generally being less valuable than gold. ... Cover to Green Lantern: Rebirth #6, art by Ethan Van Sciver. ...

Having spent time in their enemies' bodies, the villains knew their heroic counterparts inside-out. To regain the edge, the JLA used the power of Robby Reed's alien H-Dial to transform themselves into totally different heroes. Then using his power ring through the Absorbascon, Green Lantern removed all knowledge of the heroes' secret identities from the villains' minds. A fictional artifact used in DC comic books See Green Lantern Corps All Green Lanterns wield a power ring that can generate a variety of effects and energy constructs, powered purely by the user thinking about it. ...

• Agamemno
• Lex Luthor
• Black Manta
• Chronos
• Catwoman
• Doctor Light III
• Felix Faust
• Mr. Element
• Penguin
• Sinestro

Lex Luthor is a fictional character, a DC Comics supervillain and archenemy of Superman. ... Black Manta is a super-villain who is the archnemesis of Aquaman in the DC universe. ... Chronos (David Clinton) is a DC Comics supervillain. ... See also: Catwoman (movie) Catwoman (Selina Kyle) is a DC Comics character, associated with the Batman franchise. ... Doctor Light is the name of several fictional characters in the DC Comics universe. ... Felix Faust was a villain in the world of DC Comics. ... The Penguin is a DC Comics supervillain, an enemy of Batman. ... Cover to Green Lantern: Rebirth #5. ...

Injustice League Appearances

• Silver Age: Secret Files and Origins
• Silver Age #1
• Silver Age: Showcase
• Silver Age 80-Page