Cyborg alien collector who shrinks planets for his collection.
Their strategic confrontation determines whether Earth is saved.
Batman infiltrates Brainiac's head and reconfigures the shrink ray into a growth ray during the final battle.
Brainiac weaponizes Superman against his own ally.
Brainiac mind-controls a future version of Superman and uses him to attack Batman.
She directly opposes Brainiac's attempt to capture Earth.
Wonder Woman is one of the Justice League members who attempts to stop Brainiac before he sends her into another time period.
Cyborg serves as a technological defender against Brainiac's invasion.
After Brainiac begins attacking the planet, Cyborg helps defend the city and later participates in the battle against Brainiac's forces.