The Hulk, Hawkeye, Iron Man, Nick Fury, Black Widow, Captain America and Thor (poor Thor) all transformed into Valve characters. With the Scout and the Soldier from Team Fortress 2 and a zombie from Left 4 Dead, teaming up with Gordon Freeman, this team probably wouldn’t function smoothly.
Sometimes people make game related videos and they’re sort of terrible. Every now and then someone creates something that just nails it on every possible level. This is one of those videos.