Jon Bernthal appears as Frank Castle — the Punisher — in the first trailer for Spider-Man: Brand New Day, and Tom Holland says their onscreen chemistry became one of the film’s most surprising relationships. The trailer dropped March 18, 2026, and it has already sparked big reactions from fans and online commenters.

What happened: trailer, cast and a new dynamic

The new trailer, released March 18, 2026, puts Bernthal’s Punisher into Spider-Man’s world alongside Tom Holland’s Peter Parker. The movie’s announced cast also includes Zendaya, Jacob Batalon, Sadie Sink, Michael Mando and Mark Ruffalo.

Speaking at an Empire State Building event tied to the trailer release, Holland described Bernthal as “incredible” and said the Punisher/Spider-Man relationship evolved on set from antagonism into a “big brother/little brother” rivalry after the two actors improvised during filming.

How this connects to the comics

That uneasy pairing has roots in comics history: Frank Castle first appeared as a Spider-Man adversary in Amazing Spider-Man #129 (1974) before becoming a standalone anti‑hero. Holland said the movie preserves that tension while letting the characters find a surprising rapport.

Why it matters now

Bernthal is best known for playing darker, R‑rated characters, so his addition signals a potentially edgier tone for some scenes — even as the film remains part of a mainstream Spider-Man franchise. Holland’s comments and the trailer suggest the filmmakers deliberately mixed tonal elements, leaning on both comic-book history and fresh improvisation.

Fan and industry reaction

Reaction online has been mixed and vocal. A lively thread on Fark captured varied responses: some viewers praised the cast and Keith David’s voice cameo, while others worried the movie’s tone looked uneven or that it packs in too many characters. Several commenters highlighted Michael Mando’s appearance as Scorpion and debated the film’s scope versus past Spider-Man entries.

Holland’s praise for Bernthal — calling him a screen presence who “sings” in the film — has amplified interest, especially among fans curious how an R‑rated anti‑hero will play opposite a more classical, often morally constrained Spider-Man.

What’s next

Spider-Man: Brand New Day is set to hit theaters on July 31. Expect more teasers and official clips in the coming months as marketing ramps up toward the summer release. Industry observers will be watching how the studio balances Bernthal’s gritty edge with the broader ensemble and franchise continuity.

What audiences can expect

  • An improvisation-driven dynamic between Peter Parker and Frank Castle.
  • A mix of darker elements introduced by Bernthal with established franchise players like Zendaya and Mark Ruffalo.
  • Ongoing debate online about tone and an apparently crowded rogues’ gallery teased by the trailer.

With the trailer now in public hands, conversations will likely grow louder — and the Punisher’s big‑screen relationship with Spider-Man will be one of the clearest reasons to tune in this summer.