Figthing in sunlight.................?
You get the notion that Supes doesnt tire when he fights during sunlight?
WHat happened against Doomsday the first battle they had, then.
"Both characters werent used to their full potential"
Of course not. Or Thor wouldnt even need to lay a finger. And while Supes wasent written at best potential either, he was written as using more of his resources than Thor was.