A detailed Quantumania plot leak revealed that the two superheroes were supposed to remain behind in the Quantum Realm as Kang escaped. Marvel reshot the film’s ending at the very last minute.
Marvel Studios is rumored to possibly cast Tramell Tillman as Kang for a small role in Avengers: Doomsday. Rumors of Kang's return hint at Marvel Studios wrapping up the villain's storyline.