[kamen rider Q]

Seeing as we just got FangJoker and Skull is also about to release, I wonder how long is left until they finish the W assortment. The only ones left really would be Accel, Accel Trial, CycloneJokerExtreme and Eternal (maybe with alternate red flare parts), though if they really want to milk it they could do CycloneJokerGoldExtreme, Accel Booster and CycloneCyclone & JokerJoker. Accel and Eternal feel like just a matter of time, CycloneJokerExtreme is likely if they get into final forms, though Accel Booster feels unlikely.
I also wouldn't be surprised if we get a FangTrigger and FangMetal when they debut in the anime (if it gets renewed).