'Stranger Things' drops thrilling Season 2 trailer at Comic-Con

We won't be venturing back to the Upside Down until October 27, but the cast and creators of Stranger Things were kind enough to give us a brief glimpse of the trip we're about to take at San Diego Comic-Con on Saturday afternoon, courtesy of a thrilling new trailer. ('cause the music in the trailer is Thriller, get it?) 
The cast gave series creators the Duffer brothers a standing ovation on stage after watching the footage, which was the first time they'd gotten to see it — and the