It turns out it’s a trilogy. On this wallpaper we see Zach Galifianakis and Ken Jeong’s face off. Prepare yourselves for The Hangover Part 3, the last installment of The Hangover franchise. Starring: Bradley Cooper, Zach Galifianakis, Ken Jeong, Ed Helms, Jamie Chung, Heather Graham, Melissa McCarthy, John Goodman etc. Directed by Todd Phillips. Premieres…