The Last of Us DLC Abandoned Territories Map Pack drops later today in North America and tomorrow in Europe alongside patch 1.05, and Sony has released the patch notes along with two videos for the content.
The multiplayer-centric Abandoned Territories DLC contains the maps Bus Depot, Hometown and Bookstore.
Upcoming single player DLC is planned for release around December-January, and the third drop is another multiplayer pack which will land sometime during the first half of 2014.
You can buy a Season Pass for all the DLC through the PlayStation Store or at your local GameStop for €19.99/$19.99.
Patch notes outlining the changes in 1.05 can be found through the PS Blog.