The Justice League of America, the original roster of superheroes including Superman, Batman, Wonder Woman, Green Lantern, Flash, Aquaman, and Martian Manhunter, was created by writer Gardner Fox and artist Mike Sekowsky and first appeared in The Brave and the Bold #28.
The Justice League animated television series premiered on Cartoon Network, bringing the superhero team to TV audiences and revitalizing the franchise with critical and fan acclaim.
The live-action Justice League film, featuring Batman, Superman, Wonder Woman, The Flash, Aquaman, and Cyborg, was released, marking a major milestone in the DC Extended Universe.
Zack Snyder's director's cut of the Justice League film was released on HBO Max, offering fans a new vision of the movie with additional footage and story elements.
The Justice League undertakes their first joint mission to recover a stolen Mother Box from the villain Steppenwolf on Earth.
The Justice League battles Steppenwolf and his Parademons in a climactic fight to prevent the invasion of Earth.
The Flash uses his speed to travel back in time and prevent his own death, creating a temporal paradox that affects the timeline.
Subtle indications appear in the universe hinting at the rise of Darkseid, a cosmic tyrant lurking beyond the known dimensions.