MPAA Rating: PG-13/ Genre: Superhero/ Stars: Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson, Benedict Cumberbatch, Don Cheadle, Tom Holland, Karen Gillan, Chadwick Boseman, Paul Bettany, Elizabeth Olsen, Anthony Mackie, Sebastian Stan, Tom Hiddleston, Peter Dinklage, Danai Gurira, Letitia Wright, Pom Klementieff, Dave Bautista, Zoe Saldana, Josh…