The Flash vs. Superman--
I'm going with Superman on this one. The Flash is quick off the whistle, but he gasses easily. Superman wbf @ 4:55

The Hulk versus Spiderman--
The hulk would be disqualified when he flexed and ripped out of his singlet rendering him nude. Spiderman wins by dq.

Mike Alstott vs. Ray Lewis
Ray would stab mike and get away with it. Lewis wbf @ 1:45

Tarzan vs. Conan the Barbarian
There is a mistake when loading the bus for the tournament, and they accidentally send Conan O'brien instead of Conan the Barbarian. Tarzan wins by tech fall.

Abraham Lincoln vs. Linkin Park
Honest Abe chops them down like a cherry tree, one by one.

Brooke Burke vs. Pamela Andersen (don't care who wins that would just be cool to watch)
--too close to call.