Marvel films are a series of superhero movies based on characters from Marvel Comics. They are part of the Marvel Cinematic Universe (MCU), which began with Iron Man in 2008. The films feature popular characters like Spider-Man, Thor, and Captain America, and often include interconnected storylines and crossover events. These movies are known for their action-packed sequences, special effects, and humor. They appeal to a wide audience, combining elements of adventure, drama, and fantasy. The franchise has become one of the highest-grossing film series in history, with numerous sequels and spin-offs contributing to its popularity.