Marvel and Walt Disney's Avengers: Age Of Ultron exploded out of the gate on Thursday, with $27.6 million in grosses from shows starting last night at 7:00pm. That’s the biggest Marvel movie preview debut ever, well-ahead of The Avengers ($18.7m). It’s behindHarry Potter and the Deathly Hallows part II which earned $43.5 million in Thursday-at-midnight showings back in July of 2011 as well as, respectively, The Dark Knight Rises ($30.6m), Twilight Saga: Breaking Dawn part II ($30.4m), Twilight Saga: Breaking Dawn part I ($30.3m), and Twilight Saga: Eclipse ($30m). It is just ahead of The Twilight Saga: New Moon ($26.3m), The Hunger Games: Catching Fire ($25.25m), Harry Potter and the Deathly Hallows part I ($24m), Harry Potter and the Half-Blood Prince ($22.2m), and The Hunger Games ($19.7m). So yes, Avengers: Age of Ultron is the tenth film to top $20m in its Thursday preview debut.
http://www.forbes.com/sites/scottmendelson/2015/05/01/box-office-avengers-age-of-ultron-nabs-huge-27m-thursday/