Guardians of the Galaxy.

Here's a great blog entry discussing the language of Guardians of the Galaxy. As you will see, this is a film that uses a lot of slang and colloquial language. https://languagearts.institute/2016/10/learn-english-language-through-guardians-of-the-galaxy/

Another thing that I enjoy is the many references to other films within the movie. These are often referred as Easter eggs in English (in videogames, Easter eggs usually refer to hidden messages that may lead to extra points  https://en.wikipedia.org/wiki/Easter_egg_(media) ).

Another fun fact is that one of the main characters in the film, Dax, is interpreted by David Bautista, who was a professional wrestler before becoming an actor and a favourite of many of my students. Here's how he became an actor in the film: 

Who's your favourite character in Guardians? You can take this test to find out who is more similar to you.