Typically launch trailers release on the launch of a game...Ubisoft decided to jump the gun. My guess is they want you to see how many critics love it and may possibly be concerned about the game making a splash when there are so many strong games on the market. Here's the description...

"After being wrongly profiled as a criminal risk by a citywide operating system, Marcus Holloway investigates to find rampant corporate corruption and manipulation of the public. Marcus and his group of hackers, DedSec, wage a war to take down the system and return power to the people."

Watch Dogs 2 launches November 15th...