Call of Duty desperately needs an overly simplified run and gun shooter again. No additional game modes associated, a solid no bullshit well written campaign, and a multiplayer that isn’t too complicated with attachments, perks, or equipment.
Part of the beauty that was original Call of Duty was an arcade type realistic shooter. Multiplayer was so notable due to new players being able to pick it up and not feel over stimulated by menu screens, or choices. Pick a mode, a setup, and go!