343 Industries has confirmed that The Flood will return in Halo 4's multiplayer. In a massive set of screenshots released today. Microsoft showed off The Flood in action, as well as a new map. The Flood will return in a new multiplayer mode called Flood. The mode supports up to 10 players. Two will start out as infected, with the goal of infecting the other players.
343 also showed off new shots of two UNSC vehicles, a troop carrier called Mammoth and a huge mech called the Mantis, as well as a new multiplayer map called Complex.
Check out these stunning Halo 4 screenshots.