Warner Bros. Just Showed A 'Batman V Superman' Teaser Trailer At Comic-Con And Fans Are Going Absolutely Nuts

Warner Bros.' kicked off its two-hour panel at San Diego Comic-Con in a huge way.

"Batman V Superman" director Zack Snyder opened the panel teasing concept art of both the Dark Knight and Superman to fans.

3 pieces of Batman V. Superman concept art just hit #SDCC - Very Frank Miller :)

- Screen Rant (@screenrant) July 26, 2014

In addition, a brief teaser of the film was shown. Here's how people are describing it.

Place went bonkers for the BATS v SUPES teaser: An armored-up Batman pulls tarp off Bat-light to reveal Superman floating in light #sdcc

- ErikDavis (@ErikDavis) July 26, 2014

FOOTAGE! Batman in armor a la TDKR. He unveils the Batsignal. Superman is in the middle of it in the sky. Pissed. Laser eyes! #SDCC #WB

- Dennis Jacobs (@KosherD) July 26, 2014

They are showing the teaser again. This time Superman's eyes are glowing. This is the angriest Superman I have ever encountered. #SDCC

- Oliver Jones (@oliverjones) July 26, 2014

Batman wearing bulky metal armor with glowing eyes, lights bat signal I'm the rain to reveal a hovering Superman. #SDCC

- Josh Lincoln Dickey (@NotoriousJLD) July 26, 2014

Afterward, stars Henry Cavill, Ben Affleck, and Gal Gadot briefly joined him on stage of Hall H inside the San Diego Comic-Con Convention Center.

Panel host Chris Hardwick ("The Talking Dead") jumped in dressed as Marty McFly from "Back to the Future" to snap a quick selfie with the three.

The footage concluded with posters of the superheroes including a first look at Wonder Woman:

Here are all three images side-by-side:

More to come ...