Battle across derelict London in the dilapidated Grime Multiplayer map and put your Stronghold knowledge to the test with Checkpoint. Watch your step in the new Minefield game mode and hack the enemy team in Escort. Season 3 Reloaded also marks the next story mission in Zombies while features like the Specialist Perk Package and Foresight Killstreak bring new tactics to Rebirth Island.’
Source : news.blizzard.com