)
Let me take a guess at the roster then:
Mario
Dr. Mario*
Luigi
Peach
Daisy
Bowser
Bowser Jr
Rosalina & Luma
Piranha Plant*
Paper Mario
Wario
Donkey Kong
Diddy Kong
King K. Rool
Dixie Kong*
Yoshi
Link
Zelda
Ganondorf
Tingle*
Toon Link
Toy Link*
Pikachu
Jigglypuff
Mewtwo
Lucario
Pokemon Trainer
Generation 9 Stage 3 Starter
Generation 10 Stage 3 Starter*
Kirby
Meta Knight
King Dedede
Bandanna Waddle Dee*
Pit
Dark Pit
Palutena
Fox
Falco
Wolf*
Krystal*
Captain Falcon
Olimar
Marth
Lucina
Ike
Roy*
Byleth
New Fire Emblem Rep
New Fire Emblem Rep*
Ness
Lucas*
Samus
Dark Samus
Zero Suit Samus
Ridley
Ice Climbers
Mr. Game & Watch
Villager
Isabelle*
R.O.B.
Wii Fit Trainer
Little Mac
Shulk
Duck Hunt
Spring Man
Ribbon Girl
Min Min
Ninjara*
Inkling
Ninjala Rep
Mii Fighters
Fighters Pass Character 7, no matter who they are*
Sonic
Pac-Man
Mega Man
Ryu*
Ken*
Bayonetta*
Terry*
Sable Prince*
Takamaru
Dillon
Gordon Freeman*
Akira (Astral Chain)
Fallout 5 Protagonist*
"
[Zinnia*":](https://derpibooru.org/images/2249417
)
Isaac*
Isaac*
Isaac Clarke*
Pockle*
Vyse*
Mag Launcher*
Lloyd Irving*
Klonoa*
Ty*
Spyro*
Crash Bandicoot*
Cuphead*
Sans*
The protagonist of the new IP released the same month as Smash*
*DLC
EDIT: All returning "DLC" characters except Wolf, Roy and Bayonetta, plus newcomer Sable Prince, will be added via free updates. The order of the remaining DLC characters is as follows:
Bayonetta
Roy
Wolf
Bandanna Waddle Dee
New Fire Emblem Rep
Tingle and Toy Link as a double deal
Isaac
Gordon Freeman
Fallout 5 Protagonist
Isaac
Crash Bandicoot
Lloyd Irving
Klonoa
Ninjara
Pockle
Vyse
Spyro
Isaac Clarke
Generation 10 Stage 3 Starter
Sans
Cuphead
Mag Launcher
The protagonist of the new IP released the same month as Smash
Krystal
Ty
Zinnia