# Sadie Sink Cast in Spider-Man: Brand New Day, Setting Up Marvel's Next Reboot

Sadie Sink has joined the cast of the upcoming Spider-Man film "Brand New Day" in a key, as-yet-unrevealed role. Her character is reportedly connected to Marvel's plans for a significant franchise reboot. The casting signals a new direction for the Spider-Man series and the wider Marvel Cinematic Universe.

**Importance:** 3/5

## Sources

### Entertainment
- [Variety](https://variety.com/2026/film/news/sadie-sink-jean-grey-spider-man-brand-new-day-x-men-1236816949/) — Fri, 31 Jul 2026 00:30:00 +0000
- [BBC Entertainment](https://www.bbc.co.uk/news/articles/c78gngjz3p8o?at_medium=RSS&at_campaign=rss) — Fri, 31 Jul 2026 05:31:31 GMT
- [The Guardian Culture](https://www.theguardian.com/film/2026/aug/03/spiderman-brand-new-day-global-box-office) — Mon, 03 Aug 2026 00:34:54 GMT

### Technology
- [The Verge](https://www.theverge.com/entertainment/974199/spider-man-brand-new-day-leak-box-office-records) — 2026-08-01T13:00:12-04:00