A dire warning echoes across the cosmos as Brainiac, the malevolent extraterrestrial intelligence, dispatches his advanced artificial intelligence son, Computo, to Earth. The Justice League of America becomes the target of this ominous prelude to an impending invasion. As Computo infiltrates Earth's networks and poses a formidable threat, the Justice League must decipher the warning, uncover Brainiac's true intentions, and prepare for the imminent clash that will test the heroes' unity and strength.