I got inspired by the idea presented in the Superman Red Son storyline.
So I'm going to set out on my own interpretation of the DC universe. Loosely based on the DC hero set within the real world during 1938. I'm hoping to make it different enough that its not infraction of DC's Intellectual Property.
It's the story of Lev, a young Russian orphan and his rise to international fame. Lev is an orphan of the October Revolution and taken in by a good Russian family. He is brought up as Lenin transforms the country from land of the Tsars into a Socialist Republic. By 1934 the boy is brought to Stalin who of course has heard of the boys physical feats. (Can dead lift several thousand pounds of weight, long jump 30 meters, and can run the hundred meters in just under five seconds and show remarkable agility, precision, and healed broken bones in a matter of hours.) He is enrolled in the Russian military and by 1938 is revealed to the world as the "Superman."
When Hitler enters Poland in '39 and Russia follows suit it is young Lev in the spear tip. When war breaks out in '41 with Germany it is Lev who the Soviet people rally around. By '43 Lev is the Hero of Leningrad, Savior of Moscow, and then "The Red Angel" of Stalingrad. Though he spends D-Day meeting with Stalin he soon finds himself on the bloody march for Berlin. By late '44 he's raising the Red Banner over a burning Reichstag. Hitler is captured and executed after a trial denounces him for his war crimes. He dies a broken man and Stalin's grand spectacle plays out.
Of course during the war Die Glocke manages to produce a number of relative superhumans called "Bell Troopers" that fail to stop D-Day or Superman. The last Bell Trooper Hans Jurgen (Modeled on Hal Jordan) and the scientist in charge Alexander Luther (Lex of course) are brought to the US (like Wernher von Braun in operation paperclip) and delivered to Bruce Carnegie, the rebellious playboy in charge of one of America's richest corporations (Batman.) Which leads on to more stuff of course but I'm bare bones right now. But this cold war will be fought by supersoldiers. Overall the plan is a more realistic, historically accurate unless necessary, and morally dynamic then other super hero portrayals.