Read the text from their letter below.
“To the greatest fans in the world," the letter begins. "This is it. This is the end. The end of an unprecedented narrative mosaic spanning eleven years and eleven franchises.
"For all of you who have been on this journey with us since the very beginning, sharing every high and low with your family, your friends, your classmates, your co-workers. Investing so deeply in every character and storyline. Laughing. Cheering. Shedding tears. Giving so freely of your thoughts and emotions in spirited dialogue, theories, fan art, and fan fiction. Please know that the two of us, along with everyone involved in Endgame, have worked tirelessly for the last three years with the sole intention of delivering a surprising and emotionally powerful conclusion to the Infinity Saga.
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"Because so many of you have invested your time, your hearts, and your souls into these stories, we’re once again asking for your help.
"When you see Endgame in the coming weeks, please don’t spoil it for others, the same way you wouldn’t want it spoiled for you.
"Remember, Thanos still demands your silence. As always, good luck and happy viewing … The Russo Brothers #DontSpoilTheEndgame.”
Flashback: The Russo brothers made a similar request before “Avengers: Infinity War” dropped last year, according to Digital Spy. Both Robert Downey Jr. and Jeremy Renner endorsed the request.
“Endgame” hits theaters on April 26.