New epic trailer debuts for CW’s Superhero crossover event

Starting on Monday, November 28 at 8pm with Supergirl, the CW’s greatest superheroes will unite in an epic 4-night crossover event. The Dominators, an advanced alien species, are invading Earth and it’s up to Supergirl, The Flash, Arrow and the Legends of Tomorrow to save our planet. Watch the epic 2-minute trailer now.

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