If Hitler does appear in the final series, it wil probably not come as a huge surprise to fans who have been speculating about his arrival since season five began.
Oswald Mosley actor Sam Claflin also gave some hints about the direction he hopes his character will be going in when he spoke to UPROXX in October 2019.
He said: “Not long after the 30s, he married Lady Diana Mitford, who herself was quite a notorious human being.”
He continued: “Their wedding was at Joseph Goebbels’ summer house, one of the nastiest Nazis ever, and Adolf Hitler was in attendance, so that is a life event I would like to portray on Peaky Blinders.
“Tommy Shelby and Hitler in a room together would be quite eventful.”
There were also rumours in summer 2020 Mr Bean star Rowan Atkinson would take on the role of Adolf Hitler in the new series but this has never been officially confirmed.
Fans will have to wait until Peaky Blinders series six arrives on BBC One in late 2021 or 2022 to find out more.
Peaky Blinders seasons 1-5 are streaming on Netflix now