We know that Steven Spielberg will produce and possibly direct a Blackhawk movie, and while there’s no confirmation that this project will exist in the DC Extended Universe, it could go a long way towards fleshing out the existing mythology if it is.
There’s plenty of room to work with here, so Zack Snyder arguably may have been onto something.
While this storyline ultimately found itself omitted from Justice League, it’s worth wondering if the DCEU may eventually return to WWII to explore similar avenues.