Because Speculating is fun.[]
LegionDX[]
S: Legacy -Battlers' end of the roster will include James, Falco and Joseph
Deconfirmed. James and Falco will be appearing, but there's no promise for Joey. Only one more LB character is set to rep in the game, so it's impossible that both Falco and Joseph will be fully playable.
S: Project Tanoshimi will get another Project Tanoshimi character as an assist, including Tenzi Hokasa.
Confirmed. Takkun officially confirmed Tenzi Hokasa as an unlockable assist character, along with Kyosuke, Hanatsu, Gakusha and Tatsuki.
S: A second stage from the Project;Tanoshimi series will be unlockable.
S: One or two characters from the Timeleapt series will be playable.
Confirmed. As of March 11, Mr. Koizumi joined the Hundred Years Tag Battle.
ShenanigansShikra[]
S: Achievements will appear in GUA.
S: Another Statix character will appear as an assist.
Apallo The Hedgehog[]
S: Tag Moves will be implemented and James Avalone and Apallo Solaris Junior will be eligible to perform a Tag Move.
Confirmed. Say hello to the X-Super. James and Junior will be eligible to perform one.
S: There will be a special stage based on a collection of Legacy Battler's stages