I wonder if Lee and Ditko read The Barker?

Extraordinary WWII propaganda from MLJ

Before they became synonymous with teenage humor and changed their name to Archie, MLJ was known for its notoriously violent superhero line. One of their most prominent characters was a Spectre knock-off known as Mr. Justice.

The art in the following story is crude in places but the images are striking and the portrayal of Hitler is a fascinating glimpse into the mindset of the times.

A couple more memorable Golden Age Covers

Unfortunately the actual comic is not nearly as lurid as the cover.

From, believe it or not, the people who brought you Captain Marvel.