The movie "Iron Man" (2008) marked the beginning of the MCU. Robert Downey Jr.'s portrayal of the relatable Tony Stark, the groundbreaking VFX of the time, and the thrilling storyline have been highly praised by critics and audiences alike. This film transcended the boundaries of a typical superhero movie, setting the direction for superhero films in the 2010s. The Iron Man suit, realized through advanced technology, captivated audiences as a "serious superhero costume." The fusion of universal themes and entertainment value continues to attract people to this day.