Filmmakers are anxious about what other people are working on.

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.

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.

It's kind of weird to meet people that grew up in films who are still in touch with reality.

I was making Marvel Studios movies, Amy Pascal was running Sony. Occasionally, she would share drafts with certain people at the studio and I would read them, and see cuts of the movies. But what I've learned with is that I'm no help whatsoever giving passive comments on other people's projects.

You've heard me talk about the quantum realm in Ant-Man which was certainly designed for that movie and for that story to take the notion of somebody who has the ability to shrink to another level we've never seen before, but as we were doing that, and studying it and talking to the science advisors who are always more than willing to spend an afternoon with us and talk about these amazing things - the quantum realm is another dimension.

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.