(Marvel Mystery Comics v1 024-025, 1941)
Rudolf Hess, a major figure in the Nazi party, flew to Scotland in May 1941, probably without authorization and probably in an attempt to broker some sort of peace treaty. As you can see from the previous sentence, even today the whole thing is pretty murky, and in 1941 it was a tantalizing enough mystery for Hess to crop up in a fair few comics either as himself or as a thinly-veiled stand-in.
This here is "Herr Huss," who flew from occupied France to New Jersey as part of a scheme to draw the US into WWII and who was foiled by future Captain America #3, the Patriot. He ends up killing himself rather than be captured.
