English English Call of Duty -Serie Call of Duty Call of Duty series Source Call of Duty series Call of Duty series Call of Duty series Call of Duty Call of Duty Call of Duty Call of Duty Call of Duty series English http://callofduty.wikia.com/wiki/Call_of_Duty_(series) Call of Duty franchise http://callofduty.wikia.com... Call of Duty Call of Duty English Call of Duty Call of Duty series Call of Duty series Call of Duty game Call of Duty series Call of Duty series Call of Duty