‘Superman’s Frank Grillo Reveals the Film’s Shocking Connection to the MCU

Marvel Comics and DC have a long history of “borrowing” from each other. But Frank Grillo, who previously starred in the MCU and currently stars in the Dcu, recently revealed a surprising connection between the two cinematic universes. James Gunn‘s Superman finally kicked off the rebooted DC Universe on the big screen when it opened in theaters back in July. As well as introducing David Corenswet as the Man of Steel, the film also introduced audiences to Rick Flag Sr. (played by Grillo). Flag Sr. gave Grillo another gruff military vet to play, following his previous MCU tenure as Brock Rumlow, aka Crossbones. But it’s not just the character…