‘Supergirl’ Adds Diarmaid Murtagh To DC Universe Cast As Key Villain

The cast of Supergirl is growing by the day! Diarmaid Murtagh has joined the DC Universe as a villain in the upcoming tentpole blockbuster. With Supergirl set to release in just a few months, fans believe they know basically all there is to know about the DC Universe movie. They know the villain, they know the new additions, and they even know the comic that the film is based on. However…

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