Remove 3/4s of the cast, that way instead of feeling any compulsion to move on, most will stick with Smash 4 instead of buying the new game.
Would you rather the new game have A. Brawl's mechanics alongside an cast more balanced than Project M's and Smash 4's, or B. Melee's mechanics with a cast less balanced than Brawl's?
Would you rather the new game have A. Brawl's mechanics alongside an cast more balanced than Project M's and Smash 4's, or B. Melee's mechanics with a cast less balanced than Brawl's?