Sí, batallas en el Coliseo por lo menos.
EDIT con info de esos scans:
-Taichi and Sora will appear during the game. Right now Taichi is confirmed to appear at least in the colosseum.
-Omegamon is obtainable after clearing certain special requirements.
Below is the current list of Digimon in the game. Much is still unrevealed as info has been a trickle.
★= Has proof of being raise-able
Child/Rookie
★Agumon ★Gabumon ★Tentomon ★Piyomon ★Guilmon ★Gaomon Kamemon Candlemon Goburimon Dorumon BlackAgumon
Adult/Champion
★Greymon ★Garurumon ★Birdramon ★Kabuterimon ★Angemon ★Growmon ★GeoGreymon ★Gaogamon ★Leomon ★Airdramon ★Meramon Tailmon Sukamon
Perfect/Ultimate
★MetalGreymon ★WereGarurumon ★Garudamon ★Angewomon ★MegaloGrowmon ★RizeGreymon ★MegaSeadramon ★Megadramon ★LadyDevimon Vamdemon MachGaogamon
Ultimate/Mega
★Omegamon ★WarGreymon ★MetalGarurumon ★Dukemon ★Beelzebumon ★ShineGreymon
Jijimon BlackWargreymon X MirageGaogamon Rosemon
-You fight Taichi's Wargreymon
-Past heroes' digimon are said to be extremely powerful.
-Multiplayer is 2~4 players.
-Two different modes:
Versus: Free for all or teams
Co-op: Team up with your friends and battle against very powerful digimon.
-You can ''save'' a number of your most powerful Digimon that you raised to a storage device, so you can use them for multiplayer.