Zack Snyder's long-fabled director's cut of the 2017 DC Comics film — the filmmaker had to step down from the original film due to family tragedy — is set to premiere on HBO Max on Thursday, March 18.«The most important thing to get right was just the honesty of the movie and just be honest with the stuff I wanted to do and my vision for the movie,» Snyder recently told ET of the film. «I really wanted to make it as uncompromised as I could.»Here's everything you need to know about how to watch