David Corenswet Talks Superman Suit Struggles, Muscle Gain, and Bathroom Breaks

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Yep, the biggest scoop from Corenswet’s People exclusive? There’s no simple zipper on the new Superman suit. “There are zippers — lots of them,” he explained, but nothing that makes a trip to the restroom easy. Which means, when nature calls, it’s up to Scotty the dresser to swoop in for a heroic assist.

“I wish there was a single zipper,” Corenswet basically admitted. But alas, spandex tech still has a ways to go. Until then, his costume changes are essentially a tag-team sport.

Bulking Season? More Like Suffocation Season

Before he could fly, Corenswet had to lift — a lot. The actor packed on nearly 40 pounds of muscle, going from a lean 195 to a superhero-sized 235–240 lb. The gain looked great on camera, but under the rubbery layers of Kryptonian couture? Not so comfy.

He described his first fitting as “intense” and borderline claustrophobic. Imagine trying on the biggest cosplay of your life… in a sauna… while slightly panicking. “It was tough,” he said. Thankfully, he had Scotty (MVP again) and frequent breathers on set to keep the anxiety at bay.

That First Fitting? Total Buzzkill

Fans might imagine the first time an actor tries on a Superman suit is a glorious, slow-mo moment with triumphant music and a mirror glance that says, “This is it.” Nope.

Corenswet’s debut was reportedly kind of a letdown. The suit came in parts — no iconic “S,” no cape, just scattered pieces of what would one day be a legend. It was like unboxing an IKEA shelf with no instructions, and definitely not a “you’ll believe a man can fly” moment.

From Underdog to Cape Crusader

Landing the role wasn’t a given. Corenswet outpaced a competitive list that reportedly included Patrick Schwarzenegger and several lesser-known contenders. Nicholas Hoult eventually snagged the role of Lex Luthor, and the always-brilliant Rachel Brosnahan is stepping in as Lois Lane — whose chemistry with Corenswet is already setting off sparks behind the scenes.

Their pairing is especially crucial, considering Gunn’s film is doubling down on emotional core and character-driven storytelling. Think less grimdark, more Lois & Clark if it went to therapy.

The Gunn Touch: Dogs, CGI Fixes & Fan Listening

Director James Gunn is clearly steering the DCU with a more fan-forward, emotionally grounded lens. He’s already scrapped a controversial CGI shot after backlash (a rare, refreshing W for studio responsiveness), and revealed that his rescue dog, Ozu, actually inspired the inclusion of Krypto the Superdog.

That means yes — Superman’s canine sidekick is now canon thanks to Gunn’s own furry BFF. If that’s not a modern myth-making move, what is?

So What’s the Vibe?

Corenswet’s Superman is shaping up to be less tortured demigod, more flesh-and-blood hero — the kind who still needs a hand getting out of a very expensive suit. And while the logistics may be awkward, the vision is crystal clear: this Superman has heart, heft, and a sense of humor.

We’ll see the full picture when “Superman” hits theaters on July 11, 2025. Until then, just remember: even the Man of Steel needs a zipper.

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