Justice Society: World War II (2021)
Dir. Jeff Wamester
An animated tale that's set mostly during WW II, unsurprisingly. In addition to forcibly occupying as much of Europe as they can, Hitler's Nazi forces also hunt for magical items that could sway the tide of war in their favour; e.g., things like the Lance of Longinus, or the Ark of the Covenant, etc. But America send a group of skilled and/or superpowered US citizens under the radar to prevent that from happening.
[If they thought they could feasibly get away with it, I sincerely believe that the US military would want the rest of the world to think that they won that war all by themselves.]
Like the superior JL: The Flashpoint Paradox (2013) movie, the events in JS:WWII occur because of Barry Allen / Flash's unique abilities.