The Another Riders and a new Imagin will debut in the upcoming movie, Kamen Rider Heisei Generations FOREVER.
It has been revealed that Another W and Another Den-O, based on Kamen Riders W and Den-O, will appear in the upcoming Heisei Generations FOREVER crossover movie featuring Kamen Rider Build and Kamen Rider Zi-O. The Another Rider monsters have thus far all premiered in the currently running Kamen Rider Zi-O TV series.
Questions about the new Imagin, Fuutaros, are posed, including whether or not he is an enemy. A voice actor has yet to be revealed.