Nolan has never made a direct sequel to any of his original films. He makes spiritual sequels. Inception (2010) and Tenet (2020) are both films about time, memory, and the architecture of reality. But more tellingly, look at Oppenheimer (2023). It is the thematic successor to Interstellar .
But Nolan is not a lesser filmmaker. The genius of the ending is that it is both an ending and a beginning. The story of Interstellar isn't about Cooper rescuing Brand; it's about Murph saving humanity. That arc is complete. Murph solved the gravity equation. Humanity is (theoretically) safe in its O’Neill cylinder fleet. Cooper’s journey is the emotional epilogue, not the next chapter. interstellar 2 film
That is not a period. That is a semicolon. The narrative is already written in the stars: a rescue mission. Cooper, an anachronism from the 21st century, flying into the unknown to find a scientist who may have waited decades (or minutes) for him, thanks to time dilation. Nolan has never made a direct sequel to
Reports indicate that Warner Bros. has expressed interest in a follow-up due to the original's $700+ million box office success, though Nolan’s involvement is considered essential for its credibility. But more tellingly, look at Oppenheimer (2023)
Some doors in space-time are best left unopened. Interstellar 2 is one of them.