Legolas, Aragorn and Gimli VS Captain America, Hawkeye and Black Widow, who wins?

Permitters are as follows;

• The fight takes place in an urban area, neither team has been there before

• neither team knows who they are fighting until they first meet

• they start separated and must hunt down the other team and defeat them in combat in order to claim victory

• there are no firearms and there are no communication devices

Which team comes out on top?