Which incarnations for all 3 included? If "EVERYBODY AT THEIR CANONIC VERY BEST" then Spawn at his canonic very best recreated his Universe. I don't see tag team lasting long against him. King of Hell Spawn vs Dante and Kratos at their very best with access to all equipment and powers - team wins.
I would like more ...errrm, finely tuned stipulations for the thread.
that will be awesome if they were litteral translations of their respective myths and where universal reality warpers. Except they're not. GOW Zeus doesn't even come close to his orignal counter part that can turn people into stars or women if he wanted to and He certainly never fought a battle that nearly destroyed the universe. And Satan wasn't that impressive to begin with, his gimmick was trickery and seduction not fighting.
As I said, make it King of Hell Spawn with dynamic duo at their best and we have a good fight.
Universe recreating Spawn turns Dante and Kratos into action figures with a snap of fingers and then stages a Yaoi puppet play using those figures (or something like turn them into carrots and eat them, etc, etc, etc). In short - Spawn at his very best is spitey Transcendent character.