The world premiere of Marvel Studios’ highly anticipated “ Avengers: Infinity War ,” featuring the ultimate collection of Super Heroes in one film. From the Film: Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Benedict Cumberbatch, Chadwick Boseman, Tom Hiddleston, Tom Holland, Scarlett Johansson, Chris Pratt, Zoe Saldana, Karen Gillan, Don Cheadle, Josh Brolin, Paul Bettany, Dave Bautista, Elizabeth Olsen, Sebastian Stan, Gwyneth Paltrow, Anthony Mackie, Bradley Cooper, Vin Diesel, Danai Gurira, Benedict Wong, Letitia Wright, Sean Gunn, Winston Duke, Pom Klementieff, Michael Shaw ; Kevin Feige (producer), Anthony Russo and Joe Russo (directors); Louis D’Esposito, Victoria Alonso, Trinh Tran, Jon Favreau, Michael Grillo (executive producers); Christopher Markus, Stephen McFeely (writers) Watch the premiere at 8:30 p.m. ET / 5:30 p.m. PT marvel.com/infinitywarpremiere, facebook.com/avengers, twitter.com/avengers or youtube.com/marvel Special Guests: Angela Bassett, Dav...