The Marvel Cinematic Universe has grown exponentially since The Infinity Saga, thanks to the addition of TV shows like WandaVision and Loki. However, longtime fans remember that these shows weren't the first time that the MCU has ventured into the world of television. In fact, shows like Agents of S.H.I.E.L.D. and Daredevil offered some entertaining tales that covered corners of the MCU that movies could never tackle. But as the timeline began to get ironed out, these shows lost their canon status and left their fans with endless questions.
Source：https://www.cbr.com/mcu-timeline-book-answer-agents-of-shield-netflix-canon-status/
