Frank Grillo Is Hitting The Gym For Man Of Tomorrow, And The DCU Star Somehow Looks Even More Jacked Than Usual

Frank Grillo's Rick Flag Sr. in Peacemaker Season 2
(Image credit: HBO Max)

The comic book genre continues to be wildly popular, and fans who spent years watching the DC movies in order were recently treated to a new shared universe courtesy of co-CEO James Gunn. The new franchise's first slate of projects is titled Gods and Monsters, and the first three titles all featured Frank Grillo as Rick Flag Sr.. He's preparing for the upcoming DC movie Man of Tomorrow, and the actor is looking even more ripped than normal.

James Gunn teased how Man of Tomorrow will pair Superman and Lex Luthor against a common enemy, and fans are eager for any information about what's to come. While we wait for details, Grillo took to Instagram to show that he's already hitting the gym ahead of shooting the Superman sequel. Check it out below:

Frank Grillo's shirtless selfie while training for Man of Tomorrow

(Image credit: Instagram)

Talk about ripped. While Grillo claims his fitness journey for Man of Tomorrow is just beginning, he's already looking pretty yoked. I can only imagine how much more fit he's going to get for the blockbuster; I certainly wouldn't want to be going against him in a fight sequence.

In the first Superman, which is streaming with a HBO Max subscription, Grillo's Rick Flag Sr. didn't necessarily get into the action. But we did see him kick some ass on the small screen in both Creature Commandos and Peacemaker Season 2. But if the above post is to believed, he might be squaring up against someone in Man of Tomorrow.

HBO Max: Plans start from $10.99 a month

HBO Max: Plans start from $10.99 a month
HBO Max is the streaming home to the world of DCU, including Frank Grillo's tenure as Rick Flag Sr.. Plans start at $10.99 a month (Basic With Ads), an HBO Max subscription gives you access to thousands of movies, shows, documentaries, and more.

Grillo has plenty of action sequences, and is known for bringing his hulking physicality to those roles. He got to play the villainous Crossbones in the MCU (streaming with a Disney+ subscription), fight off masked killers in the Purge movies, and was also seen in other action movies like Hitman's Wife's Bodyguard and Zero Dark Thirty.

While Rick Flag Sr. has a significant role in Superman, he didn't get any action sequences. Instead he was seen dealing with with Lex Luthor's grasps for power, as well as arresting Superman and monitoring the conflict between Boravia and Jarhanpur.

Rick Flag Sr. holding up hand taking vow in White House in Peacemaker Season 2

(Image credit: HBO Max)

Things heated up for Flag in Peacemaker's Season 2 finale, which seemingly set up big things for the DCU as a whole. Because after beating the crap out of John Cena's title character, he eventually stuck Chris in Salvation. This pocket universe is set up to be a prison for metahumans, in direct response to them meddling in world affairs during Superman. And that's seemingly going to be a big plot point moving forward in DC projects.

Our questions should be answered when Man of Tomorrow arrives in theaters July 9th, 2027. But since its not on the 2026 movie release list, fans are likely going to have to be patient before getting more information. But hopefully James Gunn and company offer some teases about Rick Flag Sr.'s role sooner rather than later.

Corey Chichizola
Movies Editor

Corey was born and raised in New Jersey. Graduated with degrees theater and literature from Ramapo College of New Jersey. After working in administrative theater for a year in New York, he started as the Weekend Editor at CinemaBlend. He's since been able to work himself up to reviews, phoners, and press junkets-- and is now able to appear on camera with some of his favorite actors... just not as he would have predicted as a kid. He's particularly proud of covering horror franchises like Scream and Halloween, as well as movie musicals like West Side Story. Favorite interviews include Steven Spielberg, Spike Lee, Jamie Lee Curtis, and more. 

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