Is Frank Grillo’s Rick Flag Sr. In James Gunn’s Superman Movie?

Could Frank Grillo be joining the cast of Superman? A new social media post suggests Rick Flag Sr. will appear in James Gunn’s next DC Universe project. James Gunn made waves when he announced that Frank Grillo would be joining the DC Universe as Rick Flag Sr. in Creature Commandos. It’s a near-perfect casting choice, and brings an actor made for the world of comic book movies back into the…

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