Supergirl's stumble and the superhero fatigue nobody wants to name
Supergirl's opening was a low note in an already strained year for capes. The genre's structural problem is bigger than one film — and the studios' usual rescue plans no longer fit the market they actually have.

On 3 July 2026, The Guardian published a bluntly titled assessment: Supergirl is a box-office catastrophe, and the question of how Marvel and DC rescue the superhero film is no longer theoretical. The piece, by the paper's culture desk, treats the film's underperformance as the latest symptom of a structural fatigue that has been building, in plain view, since at least 2023 — a fatigue that no marketing campaign and no returning character has so far been able to reverse.
The genre's commercial logic was, for two decades, almost frictionless. Build a shared continuity. Recast or introduce a lesser-known property. Trust the audience to follow. Supergirl, written by Ana Nogueira and directed by Craig Gillespie, was built on exactly that scaffolding: a Man of Steel cousin, a Waller-era political backdrop, a place inside DC's emerging Chapter One. The film opened soft. Trade reporting had already framed it as a test case for whether a brand familiar only to devoted readers could carry the weight a Superman or a Batman once carried alone. The answer, on the early numbers, is no.
What the opening actually shows
The reporting in The Guardian's culture desk piece focuses less on the film's intrinsic quality than on the audience behaviour around it. Walk-up ticket sales were thin. Premium-format occupancy lagged. Word-of-mouth — the metric that has rescued several recent comic-book releases — failed to materialise at the scale DC and Warner Bros. Discovery needed. The piece is careful not to call the genre dead; it is precise about what is dying, which is the certainty that a Marvel or DC title will, on its own, move a Tuesday-night audience into a multiplex.
This is not a new diagnosis. It is, however, a more honest one. For most of the last three years, studio leadership has publicly insisted that any given underperformer was a one-off: a misjudged release date, a creative misfire, a marketing gap. The pattern of one-offs has now accumulated into a curve. Analysts quoted by the trade press have begun describing the genre's theatrical run as a shrinking core of dedicated fans, surrounded by a much larger casual audience that now waits for streaming rather than paying theatrical premiums. Supergirl, as a brand with no recent screen history and limited name recognition outside comics readers, sat squarely in the wrong half of that split.
The spin problem
The pushback from studios and their allied trade outlets has its own internal logic. A failed film is framed as an execution problem rather than a demand problem — the wrong director, the wrong tone, the wrong release window. The argument is comforting because it is actionable: change the next filmmaker, push the next release, and the system rights itself. It also lets the larger assumption — that audiences will return at scale if the product is correctly calibrated — go untested.
The Guardian piece surfaces the alternative reading more directly: the problem is not execution. Audiences have spent the post-pandemic years reallocating attention. Streaming-first discovery, shorter cultural half-lives, a higher bar for theatrical commitment, and a generational gap in superhero IP familiarity all compress the box office. Under that reading, Supergirl is not an aberration but a confirmation — the data point that fits the curve the industry has been reluctant to draw. Both readings can be partly true; the question is which one the studios plan against.
The big guns are next
If the secondary characters are no longer enough, the obvious move is to lean harder on the icons. The next eighteen months on the calendar are unusually concentrated on A-tier names: the next Superman film, the next Avengers title, a Batman of some configuration. The implicit bet is that audiences who have stayed away from Supergirl, The Marvels, Madame Web, and Kraven the Hunter will show up for a name they grew up with. There is real evidence for this in the historical record — Spider-Man: No Way Home and The Batman both outperformed the surrounding genre curve — but the comparison is unfavourable in one important respect. The audience that turned out for those films did so after several years of cultural reinvestment in the characters, often via streaming and television. That groundwork is thinner now than it was then, particularly for DC, which has cycled through two cinematic continuities inside a decade.
The Guardian piece is careful to point out that the genre is not collapsing into irrelevance. Comic-book films still earn. Deadpool & Wolverine in 2024 demonstrated that R-rated, legacy-character combinations can clear nine-figure domestic grosses. The superhero film is not dead; it is being repriced, and the repricing is unforgiving to anything that cannot articulate why it must be seen in a cinema rather than on a couch. That distinction — theatrical necessity rather than theatrical preference — is now the load-bearing question for every project on the slate.
What the studios will not say out loud
The structural adjustment that the reporting circles without naming is a contraction in the production pipeline. Annualised release slates built around shared continuity require a steady stream of mid-tier titles that earn enough to justify the next one. If the mid-tier no longer earns, the pipeline itself becomes the cost centre. The cleanest response — fewer films, longer development, higher per-title investment — is also the response that cuts against the underlying economic logic of the conglomerate parents who own the IP. Warner Bros. Discovery and Disney are not built to release two superhero films a year instead of four. They are built to monetise a content library across multiple windows, and theatrical is only one of them.
That is the frame The Guardian's piece leaves the reader with. The superhero film is not collapsing; it is being absorbed into a longer, slower content cycle, with theatrical as a launch window rather than a destination. Supergirl is the first title whose box office has forced the industry to admit as much in real time. The big guns will get their releases. The supporting cast, which built the genre's commercial logic for two decades, is the part of the business model that now looks structurally untenable.
Desk note: The wire on this story has run largely on studio-friendly framing — execution, release windows, marketing gaps. The Guardian's culture desk is one of the few outlets willing to point at audience behaviour directly. Monexus reads the trade press and the cultural pages together: the trade press tells you what the studios believe; the cultural pages tell you what the audience is doing. Both deserve weight.