Far too often, comic book movie sequels end up overstuffed and overcrowded, with the sheer litany of characters taking attention away from the central hero. Well, this is apparently something that Doctor Strange in the Multiverse of Madness star Benedict Cumberbatch has some concerns about when it comes to his MCU return, with the actor being asked whether, with the inclusion of Elizabeth Olsen and Xochitl Gomez, Doctor Strange 2 is still his movie…