Avengers: Infinity War - 12 Behind-The-Scenes Secrets You Need To Know

8. The Scripts Were Written Fluidly...

Given Kevin Feige's perpetual insinuations that everything in the MCU has been carefully plotted for years, you might be surprised to hear that Infinity War's script was written somewhat on the fly.

Digital Spy learned from Infinity War's two screenwriters, Christopher Markus and Stephen McFeely, that the script wasn't actually set in stone even when the actors were on set shooting their scenes, according to McFeely:

"Our presence on set today should give you some idea about how the script continues to evolve to some degree. That said, this is such a big, expensive endeavour that it's not like we are going to show up on a Tuesday and say, 'No, that planet is out. We are going to do this instead.'"