In the days ahead, we’re going to see a lot of box office records fall as Avengers: Endgame plows ahead and makes a ridiculous amount of money. The very fact that theaters are staying open for 72 hours balances out the film’s 3-hour run-time, and by giving Endgame more screenings, the film should easily eclipse the totals of previous record-holders. Take for example Thursday Night Previews. Since midnight screenings no longer exist and films traditionally premiere on Thursday nights, this has become a new metric to see how excited people are to become the first …