Jump Force Ad Seemingly Reveals Jotaro Kujo, Dragon Quest Anime Hero As Playable Characters - Game Informer

They haven't been officially revealed, but it seems they're part of the cast.

Jump Force' Leak Reveals Jotaro From 'JoJo' and Dai From 'Dragon Quest

News - January, 2019

JUMP FORCE leaks images of Dragon Quest and JoJo Characters

News - January, 2019

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