Here’s a hypermarket in Rottweil, BW:

image

But yeah, it was difficult finding an adequately horrible-looking hypermarket in BW, indeed! Most of them managed to look kind if niedlich :) I mean, most hypermarkets in Baden-Württenberg are located in surroundings such as this one:
Aerial Photo of a Kaufland in Tübingen, tightly surrounded by residential housing.

Even though that house is super ugly, the surroundings make a surprisingly big difference in the overall atmosphere!