If they did do FF costumes, I would assume it'd be for more recent characters - nova crystallis - XIII trilogy + XV
Zack as Sazh
Leon as Snow(XIII)
Eliot as Hope(XIII-2)
Marie as Lumina
Kasumi as Lightning(LR)
Honoka as Serah(XIII-2)
Bayman as Cor Leonis(XV)
Hayate as Caius(LR)
Hayabusa as Cid...