Ahhh man here we go
3rd Party
-Mega Man
-Bomberman
-Pac-Man
-Simon Belmont
-Ryu (SF)
Not Sure Which Party
-Geno
1st Party
-Little Mac
-Ridley
-Samurai Goroh
-K. Rool
-Toad
-Paper Mario
-Muddy Mole
-Mii
-Pokemon or Trainer from Black/White
-Isaac
-Tingle
-Tom Nook
-Medusa
-Starman from Pro Wrestling
-Mike Jones
Stages
-DK Sunset sounds good
-Old Gameboy level sounds good too
-N64 Saffron City
-Galaxy Level with crazy ass gravity shifts
-Caslevania Stage (if Belmont gets in)
-Tetris Stage
-If Little Mac and/or Starman get in, have a ring stage with the crowd throwing in items
-Bowser's Castle
-World 7 from Mario 3 with a ton of crazy pipes that you can use
Other shit
-Give Luigi his vacuum
-Bring back Mewtwo
-Jigglypuff cannot leave, that would be horseshit
-Costumes need to happen (Dr. Mario, Samus Suits, Old Snake, etc.)
-Ganondorf needs his own moveset, cmon already
-No more Subspace Emissary, try something else
-Two Fox clones is stupid, either change movesets or get rid of Wolf
-Online mode that is playable
-Add future characters, stages, etc through DLC, minimizing stuff that they wanted to put in the game but couldn't because of time restrictions