Premise: Iron Man (2008 film) . It is the first film in the Marvel Cinematic Universe . Marvel Cinematic Universe . The first film released in the MCU was Iron Man ( 2008 ) , which began the first phase of films culminating in the crossover film Marvel 's The Avengers ( 2012 ) .
Hypothesis: The Marvel Cinematic Universe began with Iron Man.
Label: ENTAILMENT