AVENGERS: DOOMSDAY Set Photos May Have Just Teased the Arrival of the X-Men’s Sentinels

Marvel may be keeping plot details under tight wraps for Avengers: Doomsday, but leaked set photos on the internet have a way of cracking secrets wide open, especially when giant robot feet are involved.New photos from the upcoming Avengers film have fans thinking they may have spotted a major mutant-related threat lurking in the rubble. An X user recently posted a series of images and videos from one of the film’s outdoor sets, and one thing immediately stood out: a massive downed robot. Most of it was draped in blue covering, likely to hide design details, but some exposed pieces including a giant foot and a mauve-colored chestplate were visible enough to spark speculation.And it didn’t take long for Marvel scoopers to jump in. Notably, @MyTimeToShineH reposted the photos with the caption: “A Sentinel on the Avengers Doomsday set!”The word Sentinel is all it took to send Marvel movie fans spiraling into theory mode.In the comics, Sentinels are towering, weaponized robots designed to hunt and destroy mutants. They’re some of the most iconic and enduring villains in the X-Men universe, having first appeared in X-Men #14 back in 1965. While we’ve seen versions of them before, most notably in X-Men: Days of Future Past, where Peter Dinklage’s Bolivar Trask helped bring them to life, those designs leaned heavily into futuristic, shapeshifting tech. What fans are seeing in these Doomsday photos, however, looks a lot more like the classic comic book versions.Granted, nothing has been confirmed. Marvel Studios hasn’t said a word about Sentinels being in the movie, let alone how the X-Men will be integrated into the mainline MCU. But, with the X-Men being involved, it wouldn’t be surprisng to see Sentinals show up.Avegners: Doomsday will be released in theaters on May 1, 2026. Which Avengers Doomsday Cast Member is this? GIANT MODEL on SET! pic.twitter.com/uaXI2xQ1zT— UnBoxPHDFILM (@UnBoxPHDFILM) May 15, 2025 GIANT Avengers Doomsday Cast Member's Body seen on Set! pic.twitter.com/3aWqCXvnHz— UnBoxPHDFILM (@UnBoxPHDFILM) May 15, 2025 Avengers Doomsday Sentinal Videohttps://t.co/2NcSguVUy4 pic.twitter.com/K41EbdXN6A— UnBoxPHDFILM (@UnBoxPHDFILM) May 15, 2025

May 16, 2025 - 21:58

AVENGERS: DOOMSDAY Set Photos May Have Just Teased the Arrival of the X-Men’s Sentinels

Marvel may be keeping plot details under tight wraps for Avengers: Doomsday, but leaked set photos on the internet have a way of cracking secrets wide open, especially when giant robot feet are involved.

New photos from the upcoming Avengers film have fans thinking they may have spotted a major mutant-related threat lurking in the rubble. An X user recently posted a series of images and videos from one of the film’s outdoor sets, and one thing immediately stood out: a massive downed robot.

Most of it was draped in blue covering, likely to hide design details, but some exposed pieces including a giant foot and a mauve-colored chestplate were visible enough to spark speculation.

And it didn’t take long for Marvel scoopers to jump in. Notably, @MyTimeToShineH reposted the photos with the caption: “A Sentinel on the Avengers Doomsday set!”

The word Sentinel is all it took to send Marvel movie fans spiraling into theory mode.

In the comics, Sentinels are towering, weaponized robots designed to hunt and destroy mutants. They’re some of the most iconic and enduring villains in the X-Men universe, having first appeared in X-Men #14 back in 1965.

While we’ve seen versions of them before, most notably in X-Men: Days of Future Past, where Peter Dinklage’s Bolivar Trask helped bring them to life, those designs leaned heavily into futuristic, shapeshifting tech. What fans are seeing in these Doomsday photos, however, looks a lot more like the classic comic book versions.

Granted, nothing has been confirmed. Marvel Studios hasn’t said a word about Sentinels being in the movie, let alone how the X-Men will be integrated into the mainline MCU. But, with the X-Men being involved, it wouldn’t be surprisng to see Sentinals show up.

Avegners: Doomsday will be released in theaters on May 1, 2026.