Armageddon 2
Harry wakes up. he's not dead! Instead the nuclear explosion opened a portal sending Harry back in time to the day before the asteroid that hit the dinosaurs!..how does he get back to his own time and Gracie?! (its Armageddon meets Back to the Future meets Gravity meets Jurassic World!.. and at the end he ends up back in the events of the 1st film BTTF2 style )
Bruce Willis returns as Harry Stamper in 'Armageddon 2: The Stamper Awakens'