Warning: This article contains spoilers forThe Flash season 8, episode 1.
Before everything is said and done, the team may discover that Reverse-Flash is the real villain behind The Flash’s “Armageddon” event. Tony Curran’s Despero was teased as the event’s main antagonist, but a big twist in the first chapter indicated his mission is actually to save the Earth – not destroy or conquer it. If the crossover's real villain isn't Despero, it may instead be one of its confirmed Arrowverse guest
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