Question: Christopher Markus and Stephen McFeely are screenwriters for a series of fantasy films by C.S. Lewis, what was the film series?
Sentence (from "Christopher Markus and Stephen McFeely"): They are known for their work in the Marvel Cinematic Universe, having written the three Captain America films ("", "", and ""), "", and will be writing "" and its untitled sequel; and having created the "Agent Carter" TV series.
Relevant evidence: No