Supergirl.tv is reporting that Supergirl has cast Angela Zhou as Dr. Grace Parker, a renowned surgeon in National City who has built quite a storied career in healing the sick and injurned. Nothing is confirmed yet but she could be the third and final World Killer, Pestilence.

The word Pestilence actually means a fatal epidemic disease, especially bubonic plague. So casting a doctor as the third Wolrdkiller might be to on the mark. But with Supergirl still being in the middle of its hiatus we will have to wait for the answer.

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