Ubisoft has brought a pirate ship to Comic-Con. It's probably a promotional stunt for their upcoming pirate game Assassin's Creed IV, but who knows? Maybe it's just because they agree that pirate ships are cool.
Also cool? Cannons. As they demonstrated, by firing cannons:
Touchdown! Whooyeah! Comic-on! Boom, baby!
There are some other cool shots of the ship (kitted out to look like the Jackdaw from Assassin's Creed IV) popping up on Twitter and Instagram. This one of the sails is by ACIV lead writer Darby McDevitt: