A "sequel film" is a movie that continues or follows the storyline of a previous film. It is like a second part or a continuation of a story that was started in an earlier movie. Full definition
Even so, that probably won't be enough to fund the hypothetical sequel the film sets up. (dvdizzy.com)
Terminator 2: Judgment Day (1991), which won four Oscars in technical categories for its groundbreaking effects, was followed by a short sequel filmed exclusively as an attraction for theme parks, Terminator 2: 3 - D Battle Across Time (1996). (rottentomatoes.com)
Sentimental sequel film finds the Bears, somehow, the little league champions of California. (canistream.it)