Famous Funnies #102
Blue Beetle #32
Bomber Comics #4 (Sensation #13 swipe!)
I'm not sure if these qualify:
Daredevil #18 (Hitler, Mussolini and Hirohito? as dummies on cover)
Miss Fury #4 (Noted on CGC label as "Hitler in picture on cover")
Edit: Checked Heritage and also found these:
Target Comics V3#8 (noted on label )
U.S.A #9 (small but noted on label)
4 Most V2#4 (Hitler, Tojo, and Mussolini appear on the cover as pumpkins )
The Human Torch #5 (#4) Check out the back cover!!! Alternative cover for Young Allies #1