Avengers: Endgame has been in theaters for three weekends, still maintaining the top spot at the box office over new releases like Detective Pikachu. The Russo Brothers did the impossible with the blockbuster, surpassing even Infinity War in regards to scope and character-driven story. Endgame was intimately connected to the previous 21 movies in the MCU, and that includes Phase Two’s finale Avengers: Age of Ultron.
Article source: https://www.cinemablend.com/news/2471696/the-russo-brothers-dont-think-iron-man-was-wrong-about-ultron