Are Call of Duty Black Ops and Modern Warfare in the same universe?

In what order should you play the Call of Duty games? - Quora

Black Ops Cold War x Modern Warfare 2019 Are they in the same universe and timeline? - GameRevolution

So [MW2] is 3 years before [BO2] : r/CallOfDuty

Launch Comms: Prepare for Call of Duty: Modern Warfare III — Everything You Need to Know

New Call of Duty Reporting System Begins with Modern Warfare II; Features Ability to Restrict Voice Chat for Toxic Players

The Future of Call of Duty®: Warzone™: Continuous Support For Modern Warfare and Black Ops Cold War

Ubisoft's Hyped Call of Duty Clone Is Actually Pretty Good

Here it shows what timeline CW is in for some thick people who doesn't understand. WAW-BO4 is one universe. COD4-MW3 is another. So CW is in BO universe but at the same

Call Of Duty: Black Ops 3 - 10 Reasons The Series Should Return To World War 2

Will There Be a Call of Duty Having Modern Warfare's Task Force 141 Taking On the Black Ops Characters? - EssentiallySports

Call of Duty®: Modern Warfare® II Launch — Everything You Need to Know Before the New Era Begins with Campaign Early Access*

How many Call of Duty games are there? Here's the full list

Are all the Call of Duty games within the same universe? - Quora

All Call of Duty games in release order - Dot Esports

Call of Duty: Modern Warfare (2019 video game) - Wikipedia