The director of The Hunger Games: Mockingjay offered his candid reaction to the most common complaint about the movie franchise's finale. The Hunger Games franchise, which is adapted from the young adult novel trilogy by Suzanne Collins, began with 2012's smash hit The Hunger Games. The second book, Catching Fire, was adapted to the screen in 2013. However, the final novel, Mockingjay, was split into 2014's The Hunger Games: Mockingjay – Part 1 and 2015's The Hunger Games: Mockingjay – Part 2, which led to fan complaints about stretching the resolution of the finale over an entire year.
https://screenrant.com/hunger-games-mockingjay-movie-two-parts-complaint-response/