Sweet Superhero Teaser: Supergirl: World’s Finest!

Supergirl - Supergirl & Flash

The teaser for next Monday’s Flash/Supergirl crossover event is a lot of fun. Check it out after the jump (and here’s hoping we see more of these two together).

Supergirl 1×18 “Worlds Finest” – Kara gains a new ally when the lightning-fast superhero The Flash (Grant Gustin) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28th on CBS. Grant Gustin crosses over as The Flash.

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