A rumor started swirling this weekend that the next installment in the Marvel Cinematic Universe, “Avengers: Endgame,” will have a runtime of three hours and two minutes. Even the extended versions of the “Harry Potter” movies aren’t that long, and those books were almost 800 pages long in some cases. Nevertheless, fans are all about it.
Any way you slice it, though, three hours is a hell of a long time to sit in a movie theater. In fact, there’s a slew of other, typically more productive, things that also take three hours: