Kevin Feige, president of Marvel Studios, has confirmed that the events of "The Fantastic Four: First Steps" will lead directly into the upcoming film "Avengers: Doomsday." This connection was reported by Deadline and reiterated by multiple sources. The Russo Brothers, directors involved with the Marvel Cinematic Universe, have teased the post-credits scene of "The Fantastic Four: First Steps," urging audiences to remain seated during the credits with the message "#DoomsdayIsComing." Additionally, Feige mentioned that some characters from "Avengers: Doomsday" will visit the Fantastic Four’s universe, with filming taking place on the same sets built for the Fantastic Four movie, including the iconic Baxter Building living room and kitchen. A sequel to "Fantastic Four" is already in development, further expanding the narrative that ties into "Avengers: Doomsday."