SUPERGIRL’s Box Office Journey Could Be Facing Some Serious Turbulence

The new DC Universe is still finding its footing, and while fans are eager to see where the franchise goes next, early box office projections suggest that Kara Zor-El’s first solo adventure may have a tougher road ahead than expected.

Supergirl, starring Milly Alcock, arrives in theaters on June 26, 2026, and marks the next major chapter in DC Studios’ evolving cinematic universe following last year’s Superman.

Alcock made a brief appearance as Superman’s cousin in that film, but now she’s stepping into the spotlight with a story that puts Kara front and center. The challenge is that current tracking indicates audiences may not be rushing to theaters in massive numbers.

According to early projections from Box Office Theory, Supergirl is currently targeting an opening weekend between $47 million and $60 million domestically.

While those numbers aren't disastrous, they are fairly modest by superhero movie standards, especially for a film carrying a reported production budget of around $175 million before marketing expenses are factored in.

For comparison, Shazam! launched with a $53.5 million opening weekend and ultimately earned $366 million worldwide. A similar performance for Supergirl would be a difficult outcome considering the higher financial stakes attached to this new DC release.

The contrast becomes even sharper when compared to James Gunn’s Superman, which debuted to $125 million domestically and finished its run with $618 million worldwide. Even that film didn't reach the heights of Man of Steel, which earned $668 million globally back in 2013.

Of course, the superhero movie landscape has changed dramatically over the last decade. Comic book films once felt almost guaranteed to become global hits, but that reality has shifted.

Marvel has experienced its own struggles in recent years, and audiences have become far more selective about which superhero stories they show up for on opening weekend.

Directed by Craig Gillespie, Supergirl follows Kara Zor-El after a devastating attack hits close to home. The story sees her reluctantly teaming up with an unexpected ally as she embarks on an interstellar mission fueled by vengeance and justice.

The film also introduces Jason Momoa as Lobo, one of DC Comics’ most popular antiheroes, giving fans a major character debut to look forward to. Still, even Lobo's arrival may not be enough to guarantee a breakout success.

One of the biggest hurdles facing modern superhero movies is the international marketplace. Before the pandemic, a film could post a decent domestic opening and rely heavily on overseas audiences to push it toward profitability.

Movies like Ant-Man benefited enormously from that model, turning a $57 million domestic debut into nearly $520 million worldwide.

Today, things are different. International box office returns aren't as dependable as they once were. Changes in audience habits, geopolitical conflicts affecting various regions, and a reduced contribution from markets like China have all made global success more difficult to achieve.

If Supergirl follows a similar pattern to Superman, which earned roughly 57% of its revenue from North America, the movie will need exceptional staying power to become a major hit. Strong reviews and enthusiastic audience reactions could make all the difference.

Without that momentum, comparisons to some recent comic book disappointments become harder to ignore.

A $47 million opening would put Supergirl in the same neighborhood as The Marvels, which opened to $46 million before ending its run with just $206 million worldwide. Then there's The Flash, which debuted to $55 million and ultimately failed to reach even $275 million globally.

Those examples highlight how quickly things can go sideways if audiences decide a movie can wait until streaming.

The release calendar isn't doing Kara any favors either. While Jackass: Best and Last opens alongside Supergirl, the bigger challenge comes from the weeks that follow. Minions & Monsters, Evil Dead Burn, Disney’s live-action Moana, and Christopher Nolan’s The Odyssey are all waiting just around the corner. That's a crowded marketplace packed with films that appeal to very different audiences.

The good news is that tracking numbers this far out aren't destiny. Plenty of movies have exceeded expectations thanks to strong marketing campaigns, glowing reviews, and positive word-of-mouth. DC fans are certainly hoping that's exactly what happens here.

We'll find out soon enough whether Kara Zor-El can overcome the odds when Supergirl lands in theaters on June 26, 2026. For now, the early numbers suggest that this may be one of the most important box office tests yet for the new DC Universe.