We know that Professor X – as played by Sir Patrick Stewart – is going to appear in Doctor Strange in the Multiverse of Madness, but given the crazy multiverse shenanigans that are set to be present in the sequel, it may not be the version of Professor X that we’re familiar with.
In fact, a new theory puts forward the idea that it might actually be the Xavier from X-Men: The Animated Series. It’s not too far-fetched of a notion, either, and to dive into the full theory on which version of the hero Doctor Strange in the Multiverse of Madness may give us, you can continue reading down below.