Avengers: Endgame marked the end of an era for the Marvel Cinematic Universe in more ways than one. Not only did the film serve as a sendoff for Tony Stark (Robert Downey Jr.), Steve Rogers (Chris Evans), and Natasha Romanoff (Scarlett Johansson), but it also closed the book on the chapter of history in which Marvel movies and Marvel TV shows were pretty strictly delineated. Throughout the first 10 years of the MCU, the movies were made by Marvel Studios—which is run by Kevin Feige—and the TV shows were made by Marvel Television—which was run by Jeph …