Solid Snake, Raiden and Revolver Ocelot from MGS2.

VS

Roadblock, General Colton and Snake Eyes from G.I. Joe: Retaliation.

Round 1: They fights against each other with their standard weapons and gears.

Round 2: Raiden and SE must fight with their swords. While the rest should fight hand-to-hand.

The fight takes place in Chernobyl.

Which team wins and why?