Ubisoft have announced a DLC pack exclusive for the PlayStation 3 release of Assassin's Creed Brotherhood. It's called the Copernicus Conspiracy.
The DLC pack includes several new missions ranging from "courier, assassination and protection missions" from "Renaissance astronomer Copernicus." The DLC is set for release on November 18 exclusively on the PlayStation 3.
Assassin's Creed: Brotherhood is out November 16 for PlayStation 3 and Xbox 360. The PC version has been delayed until Q1 of 2011.