WCF predictions:
Vol 22: Time skip Luffy, Zoro, Robin, Brook, Chopper, Shakey, Perona, Heraclese
Vol 23: Time skip Sanji, Usopp, Franky, Nami, Handsome Duval, Luffy in moustace, Caribou, Fox Chopper
Vol 24: Luffy on yagara, Iceburg, Franky (with mask?), Pauly, Tom, Kokoro, Chimney and Gonbe, Sogeking
GLC 3: Nami and Zoro