While the speculations have yet to be confirmed, there are reports that the spinoff shall be filmed in Egypt and may focus on other characters.
Based on the Season 3 of “Penny Dreadful,” Vanessa seemed to be grooming Caitriona as her successor, which led to speculations that Caitriona may become the lead protagonist in the spinoff.
As of now, the toss-up of the rumors is a spinoff or a Season 4 of “Penny Dreadful,” any which way would sure to excite the fans of the TV series.
However, based on the recent statement of executive producer and series creator John Logan, it is all over for “Penny Dreadful.” He said that he is no longer keen on coming up with a Season 4 for the TV series nor he is interested in developing storylines for the rumored spinoff.
There is now an ongoing petition on change.org asking Showtime and John Logan to provide a Season 4 for “Penny Dreadful” by a group of fans of the show who call themselves as the Dreadfuls.
They claimed that they have greatly enjoyed “Penny Dreadful” on Showtime network so they believe that they deserve another season from the actors, writers, and everyone associated with the TV show, whom they described as top notch in their respective craft.