Modern Warfare 2 trailer gives fans multiplayer and Warzone details

The Call of Duty: Modern Warfare 2 trailer that dropped today gave gamers everywhere their first look at several new exciting updates coming to multiplayer and Warzone. 

The trailer showed teams battling in several new locations around the world, including what appears to be the U.S. and Mexico border. Operators were also shown swimming and shooting underwater, adding a new layer of combat that changes the way players can approach situations.