The Marvel Cinematic Universe has become a well-oiled machine over the decade and change of filmmaking, with every single installment in Phase Three was a critical and box office success. This includes The Russo Brothers pair of Avengers movies, which were massive crossover events that broke box office records. And it turns out that one Infinity War villain could have had a bigger role in Endgame. Namely, Carrie Coon’s Proxima Midnight.