While playing at Coachella last weekend, frontman Rivers Cuomo let it slip that the band was working on a “Weezer movie back in L.A.” While he stopped short of divulging any other details, according to a report from film insider Jeff Sneider, the project is “mockumentary” described as a cross between Scott Pilgrim vs. the World and Weird: The Al Yankovic Story. And none other than Keanu Reeves has reportedly been cast to play the villain in the film.

Reeves and Weezer actually go way back: the band’s first-ever public gig was opening for Reeves’ own group, Dogstar, in 1992. In 2024, the two bands reunited — this time with Dogstar opening for Weezer as they celebrated the 30th anniversary of The Blue Album. Apparently, Weezer and Reeves’ three-decade “rivalry” is a key part of the film’s plot.

Along with Reeves, the Weezer movie will reportedly star Juliette Lewis, Eric Andre,...