It was already established as Lehnsherr in my head, despite my lack of acquaintance with comicsland, so I was quite surprised, but yes: at one point Shaw says something to Erik in German, and the translation subtitles say 'Lensherr'. I intended to keep an eye out for the spelling in the credits, but alas I forgot.

I WILL NOT WRITE IT. I WILL NOT. I REFUSE.