The Echo series premiere is blazing a new trail for the Marvel Cinematic Universe. It's Marvel Studios' first TV-MA-rated Disney+ show, the first Marvel Spotlight series, and the first MCU TV show to release all of its episodes in a single batch. But above all else, Echo is an experiment in trying to prove that Marvel Studios can create successful content that fits inside the sprawling MCU while still standing on its own.
Source:https://www.cbr.com/echo-mcu-everything-fans-want-daredevil-kingpin/