First, you’re going to need a copy of the movie, which you can purchase, rent,or check out on Disney+. (And if you need a subscription to that last option, check out a 7-day free trial to easily cover your bases.) Second, and definitely crucial to the watch party experience, is a smattering of trivia facts that will help tell the story behind the story.
Article source: https://www.cinemablend.com/news/2495848/16-awesome-iron-man-facts-if-youre-doing-your-own-watch-party