Stan - who of course plays Steve Rogers' WWII buddie Bucky "Winter Soldier" Barnes - told Collider about his reaction after watching the movie.
Check out Sebastian Stan's comments. (Warning: Language!)
"I sat there and basically there was a bowl of candy and fruit and gum in front of me and then there were sparkling waters and I basically sat on the edge of my couch the entire time and ate through the entire bowl of candy. I was overly stimulated with this movie, which I'm so proud to be in because everyone is fucking awesome in it. Everyone is fucking fantastic. I walked out of it speechless, and I worked on the movie and I was there! I walked out of there and I had back pain from leaning."Movieweb has more below.
'Captain America: Civil War' Leaves Sebastian Stan Speechless