New content is arriving to Vanguard and Warzone with the launch of Call of Duty Season 4 on June 22. Season 4 is called Mercenaries of Fortune, which is themed around Vanguard's once-allied operators, who are now feuding over an abundance of gold.

Call of Duty Season 4 start times

Season 4 updates will be available to download at 9 AM PT / 12 PM PT on June 21 for Vanguard and 9 AM PT / 12 PM ET on June 22 for Warzone, but the Season 4 Mercenaries of Fortune content will officially go live following Warzone's update.

What to expect from Season 4

New operators, weapons, and a limited-time Warzone event

Mercenaries of Fortune's roadmap details a new set of operators coming to Vanguard and Warzone with the introduction of Special Operations Task Force Immortal. As is usually the case with new seasons, players can expect Season 4's battle pass to include 100 tiers of new content, with two new DLC weapons in the free tiers.