Christopher Yost is the writer of X-Men Evolution episode "Dark Horizon", did additional writing for Ultimate Avengers, screenplay for Next Avengers: Heroes of Tomorrow and Hulk Vs., developer of Iron Man: Armored Avengers, and co-writer of Thor: The Dark World and Thor: Ragnarok.
He is the story editor of season 1 of Iron Man: Armored Adventures and The Avengers: Earth's Mightiest Heroes.