The Marvel Cinematic Universe is at its best when Marvel Studios allows its directors, writers, and artists to leave their stamp on the project they are working on. Some of the best movies in the MCU archives have been defined by the directors who conceptualized them. The Black Panther series, for example, would be nothing without Ryan Coogler, and Jon Favreau launched the MCU with his own unique flare.
Source:https://www.cbr.com/james-gunn-directors-that-impacted-mcu-television/