There’s a lot that separates Marvel movies from “normal” movies. The biggest thing is, of course, the franchise itself, as each movie is the next chapter in an ever-growing saga. But Marvel Studios films also popularized the post-credits scene teaser, as well as surprise cameos that lead into other movies or shows. But one other surprising filmmaking technique has been part of the Marvel Cinematic Universe fabric from the beginning.
Many fans are shocked to hear that Marvel movies are often filmed without a finished script, with scenes added throughout the shooting process. This is very unusual — on the other side of the spectrum over at DC Studios, James Gunn makes it a point to have a finished script before all else and often doesn’t need reshoots at all. But the Russo brothers, the directors of the upcoming Avengers: Doomsday, have defended their choice, saying it allows for more cooperation.
