# Avengers: Doomsday Trailer Sparks Theories About 2 Doctor Dooms as Fans Hope for a Surprise Cameo from Cillian Murphy

> The new Avengers: Doomsday trailer is here, and some fans believe it has a few clues that suggest the film is hiding two Doctor Dooms – and maybe even a cameo from Cillian Murphy. Warning!

- **Source:** [Ign](https://www.ign.com/articles/avengers-doomsday-trailer-sparks-theories-about-2-doctor-dooms-as-fans-hope-for-a-surprise-cameo-from-cillian-murphy?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a8252ade6a9a634d6f83066)
- **Published:** 2026-08-17
- **Category:** Gaming
- **Tags:** #avengers #doomsday #cameo #cillian #doctor #dooms #fans #murphy
- **Canonical:** http://localhost:4321/a/6a8252ade6a9a634d6f83066

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_GearOpen's distilled summary. The full original article is published at Ign (source link above); GearOpen does not republish the source's full text._