# Marvel superstar Robert Downey Jr sparks new Avengers: Doomsday fan theory over possible dual role in the MCU movie, and I hope it's not true

> A new Marvel fan theory about Avengers: Doomsday is circulating online Fans think Robert Downey Jr is hinting that he'll play two characters in the MCU film A recent Instagram post from Downey Jr is to blame Robert…

- **Source:** [TechRadar](https://www.techradar.com/streaming/entertainment/marvel-superstar-robert-downey-jr-sparks-new-avengers-doomsday-fan-theory-over-possible-dual-role-in-the-mcu-movie-and-i-hope-its-not-true?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=68879847e505d33f41839115)
- **Published:** 2025-07-28
- **Category:** Apps
- **Tags:** #cameras #downey #avengers #doomsday #marvel #robert #theory #movie
- **Canonical:** http://localhost:4321/a/68879847e505d33f41839115

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