What is the main setting for most mcu media?

The Marvel Cinematic Universe (MCU) is a shared universe created by Marvel Studios, comprising American superhero films and television series based on Marvel Comics characters. Every film and series produced by Marvel Studios, including those in Phase Six, is set within this common narrative world. The MCU serves as the overarching setting that connects the stories, characters, and events across all its media, providing continuity and a unified context for the superhero adventures.