As the home planet of the Green Lantern Corps faces a battle with an ancient enemy, Hal Jordan prepares new recruit Arisia for the coming conflict by relating stories of the first Green Lantern and several of Hal's comrades.
When a cocky industrialist's efforts to raise an ancient Chinese temple leads him to be seriously wounded and captured by enemy forces, he must use his ideas for a revolutionary power armor in order to fight back as a superhero.
The world is under attack by an alien armada led by the powerful Apokoliptian, Darkseid. A group of superheroes consisting of Superman, Batman, Wonder Woman, The Flash, Green Lantern, Cyborg, and Shazam must set aside their differences and gather together to defend Earth.
Damian Wayne (Stuart Allan) is having a hard time coping with his father's "no killing" rule. Meanwhile, Gotham is going through hell with threats such as the insane Dollmaker ("Weird Al" Yankovic), and the secretive Court of Owls.
When time travel allows a past wrong to be righted for The Flash and his family, the ripples of the event prove disastrous as a fractured, alternate reality now exists where a Justice League never formed, and even Superman is nowhere to be found. Teaming with a grittier, more violent Dark Knight and Cyborg, Flash races to restore the continuity ...