Modern Warfare 4 additional things:
Ninja is a perk again.
Map voting.
Destructible riot shield.
Theater mode.
Campaign playable offline.
Ability to compile shaders offline.
Changes to COD app will happen.
NEW UI with a left pull-out menu and verticality across the board.
@perqestionist Load up into a 15-30 min game of bots everyday before playing. It was one of the things I did when I first started and it allowed me to find my shot and get better quickly. Also watching others, itโs much more rare today to find someone uploading their gameplay but it will help