This issue is a variant of The Saga of Swamp Thing (DC, 1982 series) #10 [Direct-Sales]. There exist further variants.
Harry Kay revealed as Nazi Dr. Helmut Kripptmann.
First Totleben art on the title.
Letters of comment from readers Greg Margarian, Kevin T. Brown, Robert Lynch, Juanita S. Woods, Adam Burchess, Wallace Lee Hopkins, David Tompkins, Bill D. Middleton and Kent A. Phenis, with replies from Wein.