After Katherine Langford's role in Netflix series 13 Reasons Why, her profile continues to rise as the actress joins the Marvel Cinematic Universe. The Wrap indicates that Langford has joined the cast of Avengers 4, and that her scenes have already been shot for the project. The show is ultimately about her character's death, but Langford returned for the second season of the series. Comicbook.com reports many fans are curious about the upcoming sequel to Avengers: Infinity War and while there is no word yet on who Langford is playing in the sequel to Avengers: Infinity War, that is just more reason for fans to kickstart those speculation engines.