When the Marvel Cinematic Universe released its first tentpole film The Avengers in 2012, its success (grossing $1.5 million worldwide) set off a phase of superhero mania — where the least connected of films could get people to fill seats at the mere hint of a new casting or surprise cameo.

Doomsday brought plenty of surprises. But an aspect of the livestream that is worth mentioning is how it made a single joke from Deadpool & Wolverine much more relevant. During last summer’s blockbuster,