The GI Joe team is supposed to be the best of the best and as such they are capebale of grabbing themselves by the neck and cooperate even if they dont like eachother very well. There are some exceptions like Deep Six. But for the most part even the Joes with the worst personalities Clutch, Scarlett and Shipwreck comes to mind are willing and able to work as a team when the chips are down.
As for people who I belive would work well together Im thining Gung Ho and Snake Eyes. Stalker and Lowlight. And Flint and Beachead.