There Won't be a Phase 4

“We’ve been lucky that [contract expirations] haven’t factored in too much. We’ve had people under contract for certain films, then we’ve had new ideas and new directions like Civil War like we wanted to do, and we’ve been lucky enough to make new contracts. Or Spider-Man: Homecoming, the cast has been awesome in their enthusiasm for the direction and the storylines that we’ve been telling. So it really does, right now, all start with where we wanna take the stories. Certainly as we get to Infinity War there is a sense of a climax if not a conclusion to, by the time we’re at untitled Avengers 4, the 22 movies that will have encompassed the first three phases of the MCU. And what happens after that will be very different. I don’t know if it’s Phase 4, it might be a new thing.”