The Very First Promo for the “Crisis on Earth-X” Crossover!

You have probably seen The CW run a 10-second promo for the “Crisis on Earth-X” Crossover during its weekly superhero shows, but we now have a decent 30-second trailer!!

 

All our favorite heroes from Supergirl, The Flash, Arrow, and Legends of Tomorrow will be sharing the screen and we can’t wait for November 27!!

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