It’s not just Kara (Melissa Benoist) and Barry (Grant Gustin) who team up with The Flash guest stars on Supergirl for the episode “World’s Finest.”  CBS has released a gallery of episodic photos that show Supergirl’s enemies Livewire (Brit Morgan) and Silver Banshee (Italia Ricci) are combining their nefarious forces too.

You can also see the teaser trailer here.

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