12 things we learned from the new 'Batman v Superman' trailer

The second "Batman v Superman: Dawn of Justice" trailer debuted at San Diego Comic-Con this weekend, and it was absolutely jam-packed.

Clocking in at nearly three and a half minutes, the trailer gives us our first look at the plot of the film alongside a plethora of Easter eggs and glimpses at what the wider DC Universe will look like in the movie.

Let's dive right in.