Can two people play Uncharted 2 Among Thieves online

It would appear that you can play with 2 or 3 people or with a larger group of up to 10. The Related Wikipedia Uncharted 2 Link includes the following information on online multiplayer: "Uncharted 2 also features both competitive and co-operative multiplayer. The co-op multiplayer allows a maximum of three players to take the roles of Drake and two other "hero" companions"... "The competitive multiplayer allows a maximum of ten players to play against each other in two teams of five" see related link