You randomly get teleported to a place with... MM characters?...

GB: Playing a GameBoy for some reason.

John D: Playing his trumpet.

M: On his phone trying to get people's address.

Horror Peach: Talking to Yoshi.EXE.

Yoshi.EXE: Talking to Horror Peach.

Omega: Stares at you.

LG, W4R, and Y0SH: Watching TV because yeah.

Chris Pratt: Watching the Mario Movie on his phone.

Grand dad: Watching the Fleenstones.

Somari: Playing Mario and Sonic at the same time.

Beta Luigi: Holding a flower because he's depressed.

Beta Mario: (Still at the mansion.)

OGN Luigi: Fighting with his brother.

OGN Mario: Fighting with OGN Luigi.

IHY Luigi: Playing the GameBoy with GB (It's not the same one.)

L is Real: He's gone.

Wario Apparition: Talking to Super Bad Mario.

Turmoil: Eating a goomba.

CD Peach: Randomly talking about him being the king of a forest.

Super Bad Mario: Talking to Wario.

LDO Mario: Talking to SH Mario.

LDO Luigi: Watching LDO Mario talk to SH Mario.

SH Mario: Talking to LDO Mario.

Racist Mario: He's outside racing OFFICIAL Nintendo characters.

Devil Mario: He's visiting Satan. Don't worry he'll be back soon.

DJ Hallyboo: Playing Mario Party on the DS (He paid for it.)

MX: Hanging out with Hypno and Lord X.

Promo Mario: Talking about SM64.