The only surprise here is that aside from a brief appearance by B.J. Blazkowicz's glowing blue keychain, the video is entirely bereft of supernatural hijinks, just Nazis and guns and guys getting their heads slammed into doors. But the Wolfenstein franchise has never been about a "realistic" presentation of World War Two in the vein of Medal of Honor or Call of Duty so I think it's safe to assume that Blazkowicz isn't quite finished with his zombie escapades just yet.
There's not much to say about the video, except that it's just under three minutes long and can be seen at Game Trailers, so a quick history lesson instead: The Tirpitz was the sister ship of the infamous German battleship Bismarck and was originally intended to serve in the same role, as a commerce raider on the North Atlantic. But following the loss of the Bismarck to the Royal Navy, Hitler ordered the ship to port in German-occupied Norway, from which it never launched a major sortie. Its presence did, however, tie up major Allied naval resources, until after repeated attacks it was finally sunk by Royal Air Force Lancaster bombers in November 1944.