The new DLC will be named "Black Turn: Operation Barbarossa 1941"

This prequel DLC, whose events happen prior to “Stalingrad Campaign”, completes the Eastern Front story as told by “Unity of Command”. Take control of the Wehrmacht and its allies in Operation Barbarossa, from the dramatic early victories all the way to ignominious defeat at the gates of Moscow.
-The story of the 1941 Nazi invasion of the Soviet Union in 13 suspenseful scenarios
-Campaign extends into what-if territory, pitting the Wehrmacht against extreme odds
-Separate Soviet scenarios, about the two winter offensives which brought the Nazis to a halt
-New early-war units, including Axis allies from Romania, Hungary, Italy, Finland and Slovakia