Call of Duty Season 4 arrives in Black Ops 7 and Warzone on June 4, and Activision has detailed six weapons you can earn throughout the season. Season 4 expands the weapon pool with new guns and an additional melee weapon, and they can all be earned for free. In this guide, we’ll highlight all the new Season 4 weapons in Call of Duty and how you can unlock them. The Season 4 roadmap for Black Ops 7 and Warzone…