Doubles is awesome and super fun. It should be permanent (it could replace Supremacy, or Mayhem, which I played once and haven't touched since).
Doubles and Rumble are pretty sweaty, and this would grant more ways to rank up in Glory than just playing comp (especially since Trials is gone until 2019).
Supremacy would add more variety to QP (and never needed a separate playlist, IMO).
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10 RepliesRumble should absolutely give glory points man, it's the absolute sweatiest game mode there is. 1st Place 40 glory points, 2nd place 30 glory points, 3rd place 20 glory points. 4th and 5th is minus 20 points and 6th is minus 30 points.