ew.com -By Chancellor Agard - Get ready for another blast from the past.

screenrant.com -BY MATT MORRISON - The Flash's Armageddon crossover event also seems to be borrowing from the Injustice: Gods Among Us games and comics, with some significant changes.

The Flash's Grant Gustin Breaks Down 'Armageddon' Warning, How Barry Will Come to Think 'Maybe This Is Possible'

The Flash's Grant Gustin Previews a 'Leveled-Up' Barry, Surprising Cause of 'Armageddon' Team-Up Event

The Flash and Riverdale, Following Their 5-Episode Premiere Events, to Return in March — on New Nights