Unless Spider-Man 3 is planning on being four hours long, the majority of the multiversal members of the cast won't be given a great deal of screen time to ensure that the movie still places Tom Holland's Peter Parker at the forefront. After all, this time last year, we had no idea where the story was headed, and if you'd told people Tobey Maguire and Andrew Garfield would be returning, then you might have been laughed out of the building.