What if Superman worked for the Nazis?
Hitler: You smothered the bomb with your body, and you’re not even bleeding! Who are you?
Uberman: I am.. Uberman! I have superhuman powers, and Ifight for untruth, injustice, and the Nazi way! And I have X-ray vision!
Lois Laneoff: X-ray vision? Can you see through my clothes?
Uberman: Ja! And through his, too. [ points at Jimmy Olstein ] He’s a Jew!
Jimmy Olstein: No! No, it’s not true! My parents were just very advanced in hygeine, that’s all..!
Hitler: Silence! Guard, take this Jew away!
Uberman: No need! I’ll drop him off at the camp on my vay to the Eastern front!
DC actually did a comic where Superman landed in the Ukraine, and served the USSR, it was called Red Son.
I’d be surprised if they could even air that skit these days.
What if Napolean had B-52 at the battle of Waterloo?
"As you know, Joan, Superman, or Uberman, is vulnerable to one thing: kryptonite. The U.S. would have put all its energy into creating a kryptonite bomb in time to stop Uberman."
Read up on the Wolfenstein series of video games. It’s ‘Ubersoldat’, aka ‘super soldier’. You were close with “Uberman”.