While no footage has landed online just yet, Twitter is buzzing with the footage (see below).
Update #2: The Godzilla WonderCon trailer has leaked online.
According to reports, the Godzilla WonderCon footage revealed a Tsunami hitting a tropical city as well as Godzilla battling against a Kaiju. It's said the footage lasted about 5 minutes.
Below you can also check out the crowd reaction to the Godzilla footage as the crowd erupts in enthusiasm.
We're guessing no cameras were allowed during the showing of the Godzilla WonderCon trailer (per the norm).
WB also released Instagram videos featuring Gareth Edwards discussing his first encounter with Godzilla as a youngster, and screenwriter Max Borenstein also stops by to say hello.
Earlier, Edwards signed autographs and Godzilla posters for fans as well.
"Godzilla" opens May 16, 2014.
Got to see a full shot of Godzilla and the monster he's fighting at wonder con— mario (@ghaleon92) April 19, 2014