X-23 Star Dafne Keen Just Gave ‘Spider-Man: Brand New Day’ the Ultimate Seal of Approval

Marvel crossovers tend to generate their loudest reactions from fans, but every so often, it’s the reaction of a fellow superhero actor that ends up stealing the spotlight. That’s exactly what happened this week when one of the X-Men franchise’s most beloved young stars weighed in on Tom Holland’s latest solo outing.

Dafne Keen has spent nearly a decade building a reputation as one of the most fiercely loved performers in the broader superhero landscape, first breaking out as Laura Kinney, better known as X-23, in 2017’s ‘Logan.’ She went on to reprise the role in a scene-stealing cameo in ‘Deadpool & Wolverine,’ cementing her status as a fan favorite well beyond her original franchise.

That history made her reaction to ‘Spider-Man: Brand New Day‘ land with extra weight this week. Keen logged the film on Letterboxd with a full five-star rating, accompanied by a one-word review that summed up her enthusiasm perfectly: “Hallelujah.” According to her Letterboxd page, the review was logged as watched on July 29, 2026, just ahead of the film’s wide theatrical release.

She didn’t stop there, either. Keen also shared her reaction more casually online, captioning a repost of her review with an enthusiastic “Mwah no notes,” a phrase that quickly caught fire among fans already excited about the film’s early buzz.

For an actress with her own deep ties to Marvel’s cinematic universe, Keen’s stamp of approval carries a different kind of credibility than a typical fan reaction. Having spent years navigating both the X-Men side of the franchise and a memorable cameo appearance alongside Hugh Jackman and Ryan Reynolds, she’s not exactly an outsider commenting from a distance.

Keen has also been vocal about wanting more opportunities to return as X-23 within the wider Marvel Cinematic Universe, previously expressing enthusiasm about potentially teaming up with other heroes down the line. Her genuine excitement over ‘Brand New Day’ only adds to the sense that Marvel’s different corners, from mutants to web-slingers, may be circling closer together than ever before.

‘Brand New Day’ itself has been generating overwhelmingly positive reactions across the board since screenings began, with both critics and early audiences praising its more grounded, emotionally driven take on Peter Parker’s story. Keen’s five-star review joins a growing chorus of enthusiastic reactions from people within the industry, adding a bit of cross-franchise credibility to the film’s already strong momentum heading into its wide release.

It’s a small moment in the grand scheme of the film’s rollout, but one that speaks to just how interconnected the superhero fan community has become. When an actress known for her own standout Marvel moment publicly gives another franchise’s flagship hero this kind of enthusiastic endorsement, it tends to resonate well beyond her own fanbase.

With ‘Brand New Day’ now swinging into theaters everywhere, reactions like Keen’s are likely just the beginning of a wave of celebrity and fan responses flooding social media in the days ahead. Whether her enthusiasm holds up against the wider audience’s verdict remains to be seen, but for now, it’s clear Spider-Man has at least one very enthusiastic mutant fan in his corner.

Have something to add? Let us know in the comments!