Christopher Lee Yost (born February 21, 1973) is an American film, animation, and comic book writer best known as the head writer of the Marvel Comics animated series The Avengers: Earth's Mightiest Heroes and co-writer (with his frequent collaborator Craig Kyle) of the comic book series X-23: Innocence Lost, X-23: Target X, New X-Men, X-Force, and Scarlet Spider (volume 2).
Yost was a member of the Marvel Writers Program and has worked as a screenwriter for Marvel Studios' Marvel Cinematic Universe with Thor: The Dark World (2013) and Thor: Ragnarok (2017).