At a glance, he could optimize any actor's window of time to when the Russos needed them. Coupled with his digital calendars that helped him track the whereabouts of any given actor down to the hour, no one could elude him. "Grillo's office featured dozens of ever-changing paper calendars featuring when major and minor set pieces were to shoot.
To help with the planning of the shooting schedules, the book described the scene of executive producer Michael Grillo's office: That would definitely be tricky, and you’d have to remain flexible, while also staying true to the vision and storyline you set out to create. And then there was 'Captain Marvel.' It had some treatments and early drafts, but the film was already planned to release between the two connected Avengers films." 2' didn't have a shooting script 'Spider-Man: Homecoming' didn't have a director, much less a lead actor to play Spider-Man 'Thor: Ragnarok' had some treatments creative conversations with Ryan Coogler about 'Black Panther' had barely begun. "'Doctor Strange' hadn't gone into production 'Guardians Vol. The six films that were slated to release before the two Avengers films were in various states of production, with many of them not fully written or staffed: In the recently released book The Story of Marvel Studios: The Making of the Marvel Cinematic Universe, they talked about the biggest roadblock in the way of writing the two-part film finale. It was a major undertaking, and to think that those two films were released one year apart is crazy! It was a huge undertaking, and it all turned out beautifully, but it was definitely a huge and difficult project unlike any that had come before it. They were two epic films that told a huge story about many heroes, a villain and his army, and the consequences of their battle on the whole universe. Avengers: Infinity War and Avengers: Endgamewere the culmination of over a decade and three phases of the Marvel Cinematic Universe.