Just like we can count on a new Call of Duty game every year, we can count on a Call of Duty Halloween event, too. Only — Activision hasn't announced one yet.
Last year's was all about Black Ops, and the year before focused on Infinite Warfare. This year saw Call of Duty Mobile finally launch, so it's possible any new event could center around that since Modern Warfare won't release until October 25. Of course, we could also see something in Black Ops 4 ...
Either way, these usually involve the same thing: new skins, stickers, and gear, all won through reaching specific tier levels and completing certain missions.
Stay tuned for more.