Is Infinite Warfare part of the Modern Warfare series?

Call of Duty: Infinite Warfare Sabotage DLC Pack

Do You Need INFINITE WARFARE Disc to Play MODERN WARFARE? (YES & NO)

Call of Duty: Infinite Warfare Download Size, System Requirements, Release Date, and More

Preparing for the New Era of Call of Duty®, Presented by Infinity Ward

Call of Duty®: Infinite Warfare - Digital Legacy Edition on Xbox Price

Infinity Ward sees Call of Duty: Infinite Warfare as a sub-series, not as a one-off – Destructoid

Call of Duty: Modern Warfare Trilogy coming next week to Xbox 360 and PS3

Call of Duty: Infinite Warfare' Review

Nine years on, and Modern Warfare is still Call of Duty's finest hour

Modern Warfare is a PREQUEL to Infinite Warfare! Same Universe (Modern Warfare Campaign Information)

Every 'Call of Duty' game ranked from worst to best

Call of Duty: Infinite Warfare Minimum PC System Requirements Revealed - 70 GB Storage Space Required

Any advice? Bought Xbox infinite warfare legacy edition but modern warfare is locked : r/Infinitewarfare