By the way, I don't think that's a reaction to events in the Battle of the Bulge, I think it's a scene in the Berlin Bunker very near the end, as Hitler's final fantasies of a successful defence of the city collapse into dust.

He speaks of Steiner's unit, and someone informs him that Steiner's unit is no longer operable or something to that effect. Then he blows up completely.

He also looks in such terrible shape that I think it must be a depiction of a time very near the final collapse in Berlin.