Trailer Round-Up: Gunn's Superman, Death of a Unicorn, Warfare, Black Bag, Karate Kid Legends & More!

This week brought plenty of surprises in the world of trailers, but the standout was one that had been teased for days ahead of its release: the first look at the highly anticipated DC superhero movie Superman from filmmaker-turned-DC Studios co-head James Gunn. The buzz around the trailer is at an all-time high. For the most part, reactions to the offi…