You only get one chance to save the galaxy twice. Guardians of the Galaxy Vol. 2 stars Chris Pratt, Zoe Saldana, Dave Bautista, Bradley Cooper, Vin Diesel, Kurt Russell, Michael Rooker, Karen Gillan, Pom Klementieff, Elizabeth Debicki, Sean Gunn and Sylvester Stallone. Set shortly after the adventures in the first film, the Guardians are now…