https://www.cnet.com/news/avengers-endgame-runtime-tops-three-hours-but-when-are-tickets-coming/

"Some movies can be 90 minutes and feel like they're four hours," Feige told Collider March 5. "And some movies can be three and a half hours and feel like 90 minutes ... And every version of  Endgame thus far, and the ones that we're honing in on, feel very good."

Earlier this year, I talked to Dan Gardner, creator of the RunPee app, which tells users the best spots to duck out for bathroom breaks during long movies. Gardner ran the numbers for all Marvel movies and noted that the ensemble films especially have been getting longer -- a natural result of trying to include different character storylines.