Russo brothers were pretty strict when it came to keeping everything ‘hush-hush’ prior to the release of their latest offering – ‘Avengers: Endgame.’ The ‘no-spoilers’ rule was so serious with this one that the cast was not even allowed to click any pictures or videos on sets, let alone share it on social media (Although … “After Lift on Spoiler Ban, Avengers Cast Shares Behind-The-Scenes Shots From Endgame Sets!”
