Overview
- Marvel confirmed Robert Downey Jr. as Doctor Doom at San Diego Comic‑Con in July 2024 and the Russo brothers’ Avengers: Doomsday is scheduled for release on December 18, 2026.
- Tom Holland said Downey personally called to share the casting news and that he immediately told Zendaya, a detail Holland disclosed in interviews published this week.
- Downey posted Doctor Doom–themed Father's Day artwork showing Doom with a child and symbols linked to the Avengers and Fantastic Four, which fans and outlets are reading as a possible plot tease.
- Multiple outlets note Marvel is tightly controlling plot information and that Holland says the studio limits what he is told because of his track record with spoilers.
- Commentators point to Doctor Doom's comic history with the Fantastic Four's children and to Doomsday’s role as the Phase Six capstone as reasons why a child‑focused motive would raise the film's personal and multiversal stakes.