Poll
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Thanos vs. Darkseid hinges upon whether or not Thanos is beaten by the Omega Effect or not. If it works, Thanos loses. (obviously) If not, Thanos should take him down most of the time.
Just as that fight hinges upon 1 event, this entire matchup does as well. Surfer can take out Superman in a variety of ways very, very quickly. Doomsday vs. Hulk would be an epic struggle, also dependant on which Doomsday we're talking about here. If it's Death of Superman Doomsday, Hulk can take a few shots and get sufficiently mad, then turn around and toss him around for a bit, provided that Doomsday doesn't take him out very very quickly. Other versions of DD would fare better, but as a whole, it's close enough to a stalemate for them not to impact anyone else.
Now, it becomes Surfer and Thanos against Green Lantern, Captain Marvel, (I'm assuming DC) and Thor. I'm leaving out the rest of team 1 here because they're horribly outmatched by the otehr members of team 2, and I'm leaving Apocalypse out because he sucks.
In the above matchup, Surfer and Thanos would win a very solid majority. However, that's assuming Thanos beats Darkseid. If he doesn't, it becomes Surfer vs. DS, Thor, GL, and Captain Marvel, at which point he is royally boned. As Hulk vs. Doomsday wouldn't affect this fight much either, this entire thing really hinges upon the winner of Darkseid vs. Thanos. And whether or not Surfer and cronies (Namor, IM, etc) can hold off Thor, GL, and CM, but I think they shouldn't have too many problems keeping Surfer alive if they aren't being stupid.