'Avengers: Endgame' Directors Pen Letter to Fans Asking Not to Spoil the Movie

Avengers: Endgame spoilers and leaks have already found their way onto the Internet. To prevent people from spoiling it for the rest of the crowd who are patiently waiting for the film's April 26 big screen debut, the Russo brothers have penned a letter to once again remind Marvel Cinematic Universe fans that "Thanos still demands your silence." "To the greatest fans in the world," the letter starts off. "This is it. This is the end. The end of an unprecedented narrative mosaic spanning eleven y...