Snipes at Russia are barely concealed. The antagonistic nation is Aissur, its capital city Wocsom and its ruler Nilats (spell them all backwards).
Letters credit identified by Greg Theakston and later Harry Mendryk on the Jack Kirby Museum web page http://kirbymuseum.org/blogs/simonandkirby/archives/2369, 31 October 2008 (retrieved 15 December 2014).