Jokers shujin costume wasn't shown until his direct.
World of Light slot Speculation
Adrian King
Zachary Gomez
Joker's gameplay in general wasn't shown until the direct
Charles Allen
I don't think we'll get a second fighters pass
Smash doesn't have a dedicated team like with other fighters
People just come and go and Sakurai even stated that as time passes, the team shrinks
At best I can see some bonus characters (no stage, no new music, no fancy CG trailer) that come out sporadically but even that's pushing it