[#item_full_content] When it comes to comic book movies, few actors can say they’ve played in both Marvel and DC’s playgrounds, but Frank Grillo has done just that. After his run in the MCU as Brock Rumlow, better known as Crossbones, the actor is now carving out a fresh path in the DCU as Rick Flag Sr. in Creatur 
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PEACEMAKER Star Frank Grillo Reveals the Biggest Difference Between Working for Marvel Studios and DC Studios
ByMarvelComicBooks.com
September 18, 2025