In a bizarre turn of events, Chris Pratt's Avengers co-stars heeded the call and came out to defend the actor against a growing social media backlash that began with a throwaway Twitter meme that morphed into theGuardians of the Galaxy star being dubbed "Hollywood's worst Chris." It all began innocently enough on Twitter on Sunday when Warrior Nun writer Amy Berg tweeted pictures of Chris Pratt, Chris Pine, Chris Hemsworth and Chris Evans captioned with the words "one has to go," part of a