Re: Jetfire's Superman Film...
Perhaps this is unique to your story (though possibly it's true of other interpretations as well), but I don't think Supes' parents ever wanted him to be a leader of humanity. A role model perhaps, but not someone who actively guided Earth's affairs.
It was the best of Trek, it was the worst of Trek...
"If I lean over, I leave myself open to wedgies, wet willies, or even the dreaded Rear Admiral!"