https://youtube.com/watch?v=XIi8emYLreA%3Ffeature%3Doembed

In “Medusa,” the next episode of “Supergirl,” Cyborg Superman gets his hands on Project Medusa, and the result is deadly. According to a new behind-the-scenes featurette for the episode, Project Medusa is a virus that specifically targets alien DNA and exposure to it results in death. As seen in the featurette, Cadmus unleashes Project Medusa inside…

via New Supergirl Featurette Reveals the Deadly Power of Project Medusa — CBR.com