In 2017, several actors in movies showcased their improvisational skills by incorporating humor into their performances through spontaneous scenes. These moments added unexpected laughs and authenticity to the films. One notable example is the movie "Thor: Ragnarok," where Chris Hemsworth improvised a scene involving Thor's hammer crushing a glass. Another instance is from "The Disaster Artist," where James Franco improvised a scene where his character Tommy Wiseau eats an entire block of cheese. In "The Big Sick," Kumail Nanjiani and Zoe Kazan improvised a scene where they discuss their relationship while eating ice cream. These improvised moments not only entertained audiences but also showcased the creative talents of the actors. Overall, their spontaneity and quick thinking added a unique and memorable touch to the films of 2017.