Luke Grimes said he wanted to work with Kelsey Asbille on a Yellowstone spinoff before 'Marshals' hinted at Monica's possible death. After Yellowstone ended in November 2024, Asbille told The Hollywood Reporter she still saw Kayce and Monica as "endgame." Grimes said he and Asbille would "absolutely say yes" if creator Taylor Sheridan wanted to write it. CBS later picked up 'Marshals', following Kayce as he joins an elite unit of the U.S. Marshals in Montana. The show also stars Arielle Kebb