Scarecrow appears to be part of LEGO Batman: Legacy of the Dark Knight during the Serious House mission. Multiple official and promotional materials have referenced the villain, and he is expected to appear as one of Gotham’s major threats in the game.
Official promotional content for the game has already referenced Scarecrow directly. One social media teaser described Gotham citizens becoming “test subjects” for his fear gas experiments, strongly suggesting he will appear as an active villain in the story.

Scarecrow has also appeared in several character and villain listings connected to the game’s marketing and fan previews. Brickipedia’s coverage of confirmed characters includes Scarecrow among Gotham’s known villains. Meanwhile, promotional videos and community breakdowns have repeatedly grouped him with villains like Joker, Bane, Poison Ivy, Mr. Freeze, Ra’s al Ghul, and Riddler.
The villain appears during the “Serious House” mission, specifically in the cutscene near the elevator after Batman escorts Joker through the area. The moment serves as Scarecrow’s first major on-screen appearance in the game and confirms his involvement in the story.

The sequence immediately stood out to fans because the mission itself carries heavy inspiration from darker Batman stories, especially the Arkham series and Arkham Asylum: A Serious House on Serious Earth. The atmosphere, Joker escort setup, and sudden villain reveals all lean into that style while still keeping the LEGO tone intact.
Scarecrow’s appearance also suggests that fear toxin sequences or psychological gameplay moments could become important later in the campaign. While TT Games has not fully explained his role yet, the elevator cutscene positions him as more than just a background cameo. Fans are also speculating that the “Serious House” mission may only be the beginning of Scarecrow’s involvement. His brief introduction feels designed to set up larger Gotham-wide events later in the story.