People say 'Scott's [Derrickson] movies are kind of scary, is this a horror movie?' Of course, [Doctor Strange] it's not a horror movie. But what Scott has done so well in the best of his films is have one foot completely in the real world and one foot in this whatever supernatural sub-genre he was playing with.

Let's use that to make as interesting and different and unique a story as possible and not just stay with the same thing.' And this movie is certainly the embodiment of that.

We put in all the great ideas that can be brought into the film [Doctor Strange] in the service of introducing the world to an audience who's never heard of it and doesn't know it from a hole in the wall. And we thought that an inter-dimensional girlfriend that's the daughter of an inter-dimensional demon-esque creature was a step too far in introducing this world.

Most obviously it [Doctor Strange] will introduce a new character who will be in play in the universe, but once you have gotten an audience to buy into a new concept then it's fun to keep, to play-off, or spin-off that concept down the line.

I think it's human nature to go and to watch things that are done, and see the flaws, but I cannot think of anything that we would want to go so far as to completely change or redo to be honest with you. I think there are characters, you look at the Thor: Ragnarok trailer, there are characters that can evolve and can continue to change and grow throughout.

When we bring the filmmaker, we bring somebody to help us elevate the material with those things, to help us do something different with all of those resources at their disposal.

Filmmakers are anxious about what other people are working on.