ARMY OF THE DEAD Trailer: Zack Snyder's Heist Flick in a Zombified Las Vegas, on Netflix This May As the world prepares to fall in love with Zack Snyder all over again on March 18th Netflix is hoping the furvor will carry over into May when they dropped Snyder's Army of the Dead on May 21st. The trailer was unleashed this morning, have a look below.    Following a zombie outbreak in Las Vegas, a group of mercenaries take the ultimate gamble, venturing into the quarantine zone to pull off the greatest heist ever attempted.   It looks like it could be fun.