Two films are about to open on exactly the same day, and neither studio is blinking. Dune: Part Three and Avengers: Doomsday both land in UK cinemas on 18 December, a scheduling stand-off that would have looked reckless in any other year. In 2026, it barely registers as a risk. This is the year UK audiences turned up for sci-fi and comic adaptations in numbers nobody expected, and December’s clash is really just the final instalment of a run that started back in August.
Spider-Man: Brand New Day is the clearest sign of that shift. Tom Holland’s fourth solo outing crossed $2 billion worldwide in just three weeks, the second-fastest film ever to hit that mark behind Avengers: Endgame, grossing $785 million in North America and $1.23 billion overseas. It didn’t sneak up on anyone, either. The film opened in the UK and Ireland to a record £23.5 million weekend, the fourth-biggest three-day opening this market has ever recorded, and it’s since become the highest-grossing solo superhero film of all time, ahead of Avatar and Top Gun: Maverick on the all-time list.
What’s more interesting is where that success doesn’t stop. A box office run this size doesn’t stay in cinemas anymore, it ripples straight into everything else built around the same character, world or moment. That’s the same appetite for something new that’s actually worth your time rather than whatever’s already on the shelf, and it’s showing up everywhere people spend an evening, not just at the multiplex. The same person queuing for Dune in December might pick up a game tied to the franchise they’ve just watched, catch up on a show through a different streaming app entirely, or try a newly launched online casino site instead of the one they’d used for years out of habit. None of it is really about any one medium. It’s the same instinct, running across every screen in the house: check what’s actually new and worth it before defaulting to whatever’s familiar.
The numbers back that up better than most theories could. Insomniac’s Marvel’s Spider-Man 2, a PS5 exclusive that had already sold close to 18 million copies since 2023, saw sales spike by an estimated 316,000 units in under two weeks once Brand New Day hit cinemas, pulling in around $11 million across PS5 and PC in that window alone. A four-year-old game climbing the charts again purely because a film reminded people the character exists is exactly the kind of cross-media pull that used to be rare and is now practically expected whenever a comic adaptation actually lands.
Project Hail Mary made the opposite point just as clearly. Ryan Gosling’s original sci-fi feature, with no game, no toy line and no built-in fanbase behind it, still opened to $80.5 million domestically and $141 million worldwide, the best global launch of the year at the time. Audiences aren’t only chasing familiar universes with merchandise attached, they’re just as willing to back a good story with nothing else riding on it, which makes 2026’s box office numbers harder to explain away as franchise fatigue avoidance and more like genuine appetite for anything good.
That appetite is exactly why Marvel and Warner Bros are both refusing to move off 18 December, even with Avengers: Doomsday and Dune: Part Three landing on the same date. Marvel used this year’s D23 to show off a special-look trailer with Robert Downey Jr.’s Doctor Doom and his army of Sentinels front and centre, the same footage that had already drawn a huge reaction from the Hall H crowd at San Diego Comic-Con weeks earlier. Neither studio is treating the head-to-head as a reason to back down.
For a site that tracks UK air dates and release schedules as closely as we do, a year like this one is worth logging properly. We’ve been following the Doomsday build-up as it develops in our own coverage of the D23 2026 Marvel reveals, and it’s shaping up to be the rare release date genuinely worth marking in the diary months in advance. Whichever of the two December films wins the opening weekend, 2026 has already made its point: UK audiences aren’t just showing up for sequels out of habit anymore, they’re showing up because the year has actually delivered, and that appetite is spilling into every other screen they own.
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