Adria Arjona Reveals Grueling ‘Man of Tomorrow’ Training Regimen Ahead of DCU Debut: “I Have Muscles That I’ve Never Had in My Life”

Adria Arjona has spent the last several years quietly becoming one of Hollywood’s most in-demand actresses, moving fluidly between prestige television and blockbuster action without ever settling into just one lane. Between ‘Andor’ and this summer’s A24 thriller ‘Onslaught,’ which marks her first true leading role, she’s built a résumé that makes her jump into the superhero genre feel less like a pivot and more like a natural next step.

That next step arrives in the form of James Gunn’s ‘Man of Tomorrow,’ the upcoming Superman sequel that will mark Arjona’s entry into the DC Universe. The role also represents something of a homecoming for the actress, reuniting her with Gunn and DC Studios co-CEO Peter Safran roughly a decade after the pair gave her one of her first film roles in 2016’s ‘The Belko Experiment.’

While Arjona still isn’t able to say exactly who she’s playing, she’s made it clear the preparation for the role has pushed her further than almost anything she’s done before. Speaking in a recent cover profile with ScreenRant, she revealed she now has muscles she’s never had in her life, the result of training two to three hours a day on what she described as a crazy diet.

According to Arjona, coffee has become essential to getting through the demands of her training schedule, and despite the grueling nature of the process, she made clear she’s genuinely thrilled about where it’s leading. That enthusiasm lines up with just how physically demanding DC’s recent projects have become, where even brief on-screen appearances require actors to look fully transformed the moment they step into frame.

Speculation about which character Arjona is actually playing has been swirling for months, with Variety and Deadline both reporting back in April that she’d been cast as the villainess Maxima. Other fans and outlets haven’t ruled out the possibility that she could instead be stepping into a live-action Wonder Woman role, though nothing has been confirmed by DC Studios either way.

Arjona has stayed tight-lipped on the matter at every opportunity, including at Comic-Con, where she gave a similarly evasive response when pressed about her character. Rather than confirming details, she’s consistently redirected the conversation back to her excitement about working with Gunn and Safran again.

Beyond the physical transformation, Arjona has emphasized just how meaningful this reunion feels for her career. She credited Gunn and Safran directly as the reason she’s been able to build the career she has today, crediting their early belief in her as the foundation for everything that followed, including projects like ‘Andor.’

Production on ‘Man of Tomorrow’ has been moving quickly behind the scenes, with Gunn reportedly wrapping principal photography just as Arjona’s training updates were making headlines. That tight turnaround suggests her role, however small or large it ends up being, was locked into the film’s shooting schedule until the very end.

With ‘Man of Tomorrow’ still keeping its cards close to the chest regarding Arjona’s character, fans are left to keep piecing together clues from her training routine and cryptic comments. Whether she’s playing Maxima, Wonder Woman, or someone else entirely, one thing is clear: she’s not taking the role lightly.

The secrecy surrounding her casting fits a broader pattern for how DC Studios has handled ‘Man of Tomorrow’ so far, with the studio declining to confirm character details even as reports and leaks continue to circulate. That approach has only intensified fan speculation, turning every training update or cryptic comment from Arjona into fresh fuel for online debate.

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