Then, Deadline reported that Ready or Not star Samara Weaving would play one of Jean’s most enduring rivals, Emma Frost, in the MCU’s upcoming mutant-related projects. Photos: Getty ImagesThe age gap between Emma Frost actress Samara Weaving and Cyclops actor Kit Connor (and the 24-year-old Sadie Sink, for that matter) is perfect for a X-Men origin story. A young Jean Grey and a young Scott Summers are perfect for this approach. A slightly older, and slightly threatening, Emma Frost is even better. Fingers crossed the rest of the X-Men MCU cast is as perfect as these first three picks.