How Universal could have ended Disney’s ‘Endgame’

Marvel’s “Avengers: Endgame” shattered box office records around the world last weekend. But could Disney’s rival Universal have prevented that from happening by changing one decision about its theme parks more than 10 years ago?
The 22nd movie in the Marvel Cinematic Universe concluded a plot that had ran through most of the previous 21 films. (Don’t worry. I won’t spoil anything in case you are one of half dozen people who haven’t seen this movie yet.)