What do you call the first part of a movie?

A title sequence (also called an opening sequence or intro) is the method by which films or television programmes present their title and key production and cast members, utilizing conceptual visuals and sound.

What is a movie series called?

A film series or movie series (also referred to as a film franchise or movie franchise) is a collection of related films in succession that share the same fictional universe, or are marketed as a series.

What is a threequel?

noun. the third in a series of literary works, movies, etc.; a second sequel: The first two films in this underworld anthology were cinematic gems, but the threequel was at best a disappointment.

What does prequel mean?

A prequel is a literary, dramatic or cinematic work whose story precedes that of a previous work, by focusing on events that occur before the original narrative. A prequel is a work that forms part of a backstory to the preceding work.