There is this new version of an old series. You may notice from the beginning that it continues from the original work instead of being a sort of reboot. However, despite The Hero still being there, most of the supporting cast has been changed for new characters, except for one or two. Sometimes this is due to the hero having moved to a new city. Part of the new cast tend to be Expies to old characters. It could be considered a Retool. Contrast Changing of the Guard. See also Spin-Off, where it's a secondary character being placed in a new setting instead of The Hero.