Supergirl Questions Heatwave in New Promo for the 4 Night Superhero Crossover Event

A brand new promo for the 4 Night DC Crossover has been released. This new event will kick off next week on the brand new episode of Supergirl.

In the new promo, we watch as Barry tells Oliver about their new visitors, Supergirl asking Heatwave how he got his name, and a ton of action scenes.

The first night of the crossover takes place on November 28 at the end of Supergirl. I am so ready for this crossover to be here already! Are you excited?

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