A week ago Sunday (February 28), Helen Slater (The Original Kara Zor-El/”Supergirl”), Katrina Law (Nyssa al Ghul/”Arrow”), and Ming-Na Wen (Melinda May/”Agents of Shield”) were at the Comic Book and Science Fiction Convention in Los Angeles doing a bit of signing.  And everyone’s favorite Joe was there snapping a few pics of the event. 

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