On 16th April 2019, Marvel released a letter addressing to all their fans says that don’t spoil the Endgame as they have worked really hard for this movie.
Russo brothers release a letter addressing to all their fans saying #DontSpoilTheEndgame as to do not leak footage for the film. On 15th April 2019, 5-minute footage was leaked on youtube which shows us the possible ending for the film. The video was removed by Marvel and Disney immediately but now people are out there who know the ending of the film. This would hurt their sales and they do not want that. In that letter, they said “it’s alright to give out fan theories but if somehow you have seen the film, please do not spoil it for others. The whole team has worked tirelessly for the past 3 years to make it happen, and if people give out spoilers then it would ruin the film for people and would ruin all the hard work the team has done.”
Marvel Release it yesterday at 9 o clock and it was important for them to release this letter as a lot of clipping are being leaked on the internet, which is spoiling the film for all the Marvel Fans as only 10 days are left for the film.