The writing team behind the recent Spider-Man trilogy has exited the production of Spider-Man: Brand New Day. Chris McKenna and Erik Sommers are reportedly moving to the Avengers franchise to assist with the upcoming Russo Brothers-led films.

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A strategic pivot toward the Russo Brothers' Multiverse

The departure of McKenna and Sommers from Spider-Man: Brand New Day represents a significant consolidation of talent within the Marvel Cinematic Universe. As the report indicates, the duo is shifting their focus to the massive upcoming tentpoles, Avengers: Doomsday and Avengers: Secret Wars. This move aligns them with directors Joe and Anthony Russo, with whom they have a long-standing creative history.

This transition mirrors a broader trend in blockbuster filmmaking where specialized writing teams are pulled from individual character arcs to stabilize massive , multi-film events. McKenna and Sommers previously collaborated with the Russos on Ant-Man and the Wasp, and their expertise in navigating the Spider-Man character may be vital as the MCU attempts to weave disparate storylines together for the next phase of the Multiverse Saga.

Justin Kuritzkes takes the reins on Spider-Man: Brand New Day

Justin Kuritzkes, the writer behind the critically acclaimed film Challengers, has been brought in to manage the script for Spider-Man: Brand New Day. According to the source, Kuritzkes was tasked with handling rewrites and providing additional material during the film's production. While he is providing a fresh perspective to the project, his official credit is expected to be listed as "additional literary material ."

The decision to bring in Kuritzkes suggests that Marvel Studios is prioritizing narrative quality even amidst mid-production shifts.. By replacing the original architects of the Spider-Man trilogy with a writer known for character-driven storytelling, the studio is attempting to maintain the momentum of the franchise while the original team focuses on the larger ensemble requirements of the Avengers films.

Robert Downey Jr.'s Doctor Doom and the massive Avengers ensemble

The upcoming Avengers films are set to feature one of the most star-studded casts in recent cinematic history. The production of Avengers: Doomsday, which is scheduled for release on December 18, 2026, will center on Robert Downey Jr. in the pivotal role of Doctor Doom. The scale of the project is further emphasized by a massive roster of returning talent, including:

  • Chris Hemsworth
  • Chris Evans
  • Anthony Mackie
  • Paul Rudd
  • Pedro Pascal
  • Florence Pugh

Writing duties for these massive installments are already being shared by heavyweights like Stephen McFeely, who is writing Doomsday, and Michael Waldron, the creator of Loki. The addition of McKenna and Sommers to this existing writing core suggests that the 2026 and 2027 releases—with Avengers: Secret Wars following on December 17, 2027—will be the most complex narrative undertakings in the studio's history.

Uncertainty over the Spider-Man sequel's final creative direction

The transition of writing staff during a major production leaves several critical questions unanswered. While the source confirms the departure of the original writrs, it does not clarify if the tone of Spider-Man: Brand New Day will fundamentally change under Kuritzkes' pen. Furthermore, it remains unverified how much of the original script penned by McKenna and Sommers will remain intact. Finally, the report does not specify how the new writers will integrate with the existing creative vision of the Russo Brothers to ensure a seamless transition between the Spider-Man solo adventures and the larger Avengers narrative.