Ok we've seen the Alien v Predator
... how about the humans v the other humans (+1 synth)?
Colonial Marines Sulaco's "Bug Stomper" crew:
Apone, Hicks, Hudson, Vasquez, Drake, Bishop, Gorman, + Ripley etc...
v
Elite Commandos:
Dutch, Dillon, Billy, Blain, Poncho, Mac, Hawkins, + Anna, ...
Assume they have the same weapons. And landscape?
More about their skill as a unit.