MCU stands for Marvel Cinematic Universe, which is a media franchise and shared universe created by Marvel Studios. It includes a series of superhero films and TV shows based on characters from Marvel Comics, such as Iron Man, Captain America, Thor, Spider-Man, and the Avengers. The MCU started with the release of Iron Man in 2008 and has since expanded into multiple phases, each featuring interconnected storylines and characters. The MCU is known for its extensive world-building and crossover events, making it one of the most successful film franchises in history.
