Characters:

New

• Inkling (Boy/Girl), Chibi-Robo, Beat/Gum (Jet Set Radio), Shovel Knight, Shantae, Professor Layton

Old

• Wolf, Ice Climber (Popo/Nana), Snake

Stages:

New (Both)

• Splatoon stage, Chibi-Robo stage, Tokyo-to (Jet Set Radio), Shantae stage, Shovel Knight stage, Layton stage, Bowser's Castle (Super Mario 3D World).

New (3DS)

• Virtual Boy (Various Virtual Boy games) and Excitebike Stage.

New (Wii U)

• WarioWare Inc. 2 (WarioWare) (It will be a bigger stage with wackier games and bigger prizes) (Shame we didn't get a WarioWare stage on Wii U), and F-Zero (SNES tracks).

Old (3DS)

• Wii Fit Studio (Wii U) and Termina Great Bay (Melee) (Omega form will take place on the main platform extended out), Shadow Moses Island (Brawl) (Omega form takes place on the main bottom platform), Icicle Mountain (Melee) (Omega form takes place on a long platform), Yoshi's Island (N64), and Saffron City (N64).

Old (Wii U)

• Rainbow Road (3DS), Magicant (3DS), and Poke Floats (Melee) (Omega form will take place on a randomized float, either Rayquaza, Wailord, Onix, etc.), Shadow Moses Island (Brawl) (Omega form takes place on the main bottom platform), Ice Climber (Brawl) (Omega form takes place on the platform at the top of the iceberg), Yoshi's Island (N64), and Saffron City (N64).

Mii Costumes:

All Miis

• Soldier costume (Army attire/camo for all Miis)
• Summer outfit (short sleeve shirt/tank top with swim shorts for all Miis)
• Fighting Wire Frame costume (the pink wire frames from "Melee" for all Miis)
• Winter outfit (similar to Ice Climbers' big jacket and big pants for all Miis)

Swordfighter

• (WarioWare) Ashley costume
• (HarmoKnight) Tempo costume
• (Fire Emblem) Corrin/Kamui costume (Male/Female)
• (Kirby) Adeleine costume

Brawler

• (Alex Kidd) Alex Kidd costume
• (The Legend of Zelda) Impa costume
• (Resident Evil) Albert Wesker costume
• (Pokemon) Machop costume

Gunner

• (Mega Man) Roll costume
• (Dig Dug) Taizo Hori costume
• (Mach Rider) Mach Rider costume (YOU ARE "MACH RIDER"!)
• (Sonic the Hedgehog) Tails costume