Justin Kurzel spoiled something about Marion's character in AC
In the today's Russian live chat, on which there were also Marion and Michael, Justin Kurzel said that (CAUTION, HUUUGE SPOILERS ABOUT THE ENDING!)
At the end of the film she starts to act differently and there is a twist with her, as she is revealed to be the new leader of modern-day Templars, and her jouney is pretty much far from an end and supposed to be continued in the next chapter where she will confront Callum. The film ends with a cliffhanger involving her.
Nolan, I love you forever!