As Marvel Studios continues to reveal the actors who will lead the cast of Avengers: Doomsday, two huge names have jumped out from the crowd in the form of Sir Patrick Stewart and Sir Ian

From Channing Tatum's Gambit to Ian McKellen's Magneto and James Marsden's Cyclops, here are all the X-Men stars joining "Avengers: Doomsday."

However, other fans think that Avengers: Doomsday will involve a timeline incursion that will merge the Fox X-Men timeline with the current main Earth 616 timeline, just like Deadpool and Wolverine did. "There's multiple incursions going on," pointed out another fan. "There's definitely the one that Dr Strange caused."