Call of DutyActivision reportedly considering free-to-play revenue model for Modern Warfare 4Alan Bernal .
Call of DutyInfinity Ward dev responds to impatient fans waiting for Modern Warfare 4 revealConnor Bennett .
Call of DutyYouTuber Syndicate hints at Modern Warfare 4 reveal date after secret LA tripJoe Craven .
Call of DutySyndicate invited to “secret” game company in LA, hinting at MW4 reveal dateAlan Bernal .
