All the same nine characters: Luffy, Zoro, Nami, Usopp, Sanji, Chopper, Robin, Frankie and Brooke. We look after the Impel Down, i.e. after the 451st series.
No, here the events of the film take place between the Thriller Bark Arch and the Sabaody Archipelago Arch. Therefore, somewhere 381 episodes, well, certainly not after Impel Down, after which there is the Marinford Arch
The Golden Lion Shiki Needs a navigator and therefore lures the Straw Hat crew to his flying islands and takes Nami to his ship before dropping Luffy's ship on the islands. (c)
So you can watch just as it is indicated here (after those fillers and the series with the mention of the Golden Lion
(c)
So you can watch just as it is indicated here (after those fillers and the series with the mention of the Golden Lion