A list of trivia related to Avengers: Infinity War.
- The basis of the movie is The Infinity Gauntlet story from the comics.
- The movie will also contain aspects of The Thanos Quest and Infinity stories.
- The name of the movie comes from The Infinity War story line.
- According to the movie's writers Christopher Markus and Stephen McFeely, when putting together the casts for both Avengers: Infinity War and Avengers 4, they made baseball cards of all of the characters that were alive within the movies and put them on two walls. One wall was for Avengers: Infinity War and the other was for the sequel. They also stated that everyone from the main heroes down to minor characters, such as Ian Boothby, were considered for appearing in the movie.
- Avengers: Infinity War was originally titled Avengers: Infinity War Part 1, with Avengers 4 being titled Avengers: Infinity War Part 2. However, due to to the movies being different from each other, Marvel decided to rename the movies.