November 18, 2016: DC TV Crossover “Heroes vs Aliens” Promo #3

The CW has released another promo video for the 4-show crossover. The third “Heroes vs Aliens” promo shows us Barry introducing Kara to the other heroes.

The CW’s crossover event is kicks off at the end of the “Supergirl” episode airing on Monday, November 28.

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