Season 4 Reloaded has a strange kind of energy to it. There's the usual hunt for skins, emblems, and blueprints, but this time a lot of the appeal sits in the hidden stuff, the bits players stumble into after a few matches. If you've been grinding challenges or just trying to keep up with the pace of the update, you'll notice pretty quickly that CoD MW4 Bot Lobbies has become part of the way...