As of 7/27/19 I see no reason Bucciarati would not recruit the gang the same way he did in canon... Herefore it is reasonable to believe at this time Bucciarati’s gang is, or will be, members of the Church.
Dio’s Diary talks of a way to ascend to heaven... If normal mortals were to find a way to get into heaven, there would be chaos. So The Four factions would send agents to investigate this and to locate Dio’s associatws
Enrico Pucci will be a member of the church...
Millicas Gremory and Jolyne Kujoh will be in their teens and be part of these agents that are investigating Dio’s Diary.
What could Passione have that has Azazel interested? The arrow?
Would Josuke be able to repair the seals that have already been destroyed?
She wants Yoshikage Kira.... the disappearance rate is why she’s here... she knows there’s a stand user behind it, and seeks to make said stand user hers.
It might not be the same universe, but Ophis is the dragon of infinity. The spin’s ultimate technique is founded on the golden rectangle, an interpretation of “infinity”. Could the spin be something Ophis can use?