A LEGO kit tied to Avengers: Doomsday has leaked on social media, revealing the first look at a buildable bust of the film’s primary villain, Doctor Doom.

Images began circulating across LEGO news accounts and social platforms, including a post on X by BlogsBrick that shared the first photos. The item appears to be a promotional tie-in for Avengers: Doomsday, the MCU’s next Avengers film, which places Robert Downey Jr.’s Doctor Doom at the center of the story.

The leaked LEGO bust shows Doom’s armored visage

The images posted on X show a sculpted, buildable bust that emphasizes Doctor Doom’s armored mask and cloak. The design reads like a display-style LEGO collectible rather than a playset, with a focus on the mask’s sculpt and a draped cloak element.

The post supplied the first public merchandise glimpse tied to the movie, giving an early look at how Doom may be represented in consumer products ahead of official marketing pushes.

How the leak connects to the film’s larger cast and creative team

Avengers: Doomsday is directed by Anthony and Joe Russo, with a screenplay by Michael Waldron and Stephen McFeely. The production has been presented by Marvel as a large ensemble event that brings together returning Avengers and newer Phase 4 and 5 characters.

Robert Downey Jr. is set to play Doctor Doom in the film. The announced roster connected to the project includes Chris Evans, Chris Hemsworth, Anthony Mackie, Sebastian Stan, Paul Rudd, Winston Duke and Letitia Wright, alongside newer additions such as Simu Liu and the Fantastic Four cast led by Pedro Pascal.

Merchandise leaks fit the marketing timeline ahead of the December release

Avengers: Doomsday is scheduled to open on December 17, 2026. Leaked toys and promotional items commonly surface months before major tentpole releases as manufacturing, retail listings and distribution begin to move into place, and this LEGO bust fits that pattern.

Merchandise leaks do not confirm story beats, but they do shape early impressions of a character’s costume and visual profile. The bust emphasizes a classic armored look for Doom, consistent with prior media interpretations of the character.

Verification of the X post and the item’s authenticity

The images were first shared publicly on X by BlogsBrick and were later picked up by entertainment outlets, including a report from Omelete. Neither Marvel nor LEGO has posted official photos or product details tied to the bust.

At this stage it remains unclear whether the pictured item is an officially licensed set, a promotional sample, or an early production sample that leaked from the supply chain. The X post provides the earliest public evidence, but the companies involved have not confirmed the item.

For now, the leaked LEGO bust is the first tangible merchandise glimpse fans have of Robert Downey Jr.’s Doctor Doom.