I still say Ultimate could take 616 Hulk (keep in mind superman can't do most of the stuff you said 616 Hulk could, yet he knocked Hulk spark out with one punch....I'm not gonna even mention a normal guy like Batman ko'ing hulk because thats another example of absurdity within a character's abilities).
But who knows? Untill it actually happens (and it probably will eventually)
it's all conjucture (though I still say Cap would eat 616 cap for lunch, but not actually literally this time
unless its zombie ultimate cap...hey I got a new idea for a series