Famous Studios
Famous Studios produced propaganda through Popeye and Superman films.
Popeye
Examples of Popeye going against the Nazis include "You're a Sap Mr. Jap", "Scrap the Japs", "Spinach For Britain", "Seeing Red, White, and Blue" and others.
Superman
There were four war-themed Superman shorts done by Famous Studios, which were "Japoteurs", The Eleventh Hour", "Jungle Drums", and "Destruction Inc".