Call of Duty: Black Ops 2 is officially confirmed and it's got a November 13, 2012 release date, as revealed on the newly updated UK version of CallofDuty.com.
Black Ops 2 sends players into a near future, 21st Century Cold War, where technology and weapons have converged to create a new generation of warfare. Screenshots:
http://www.callofduty.com/blackops2