Question: Generate a question that has the following answer: lets him go back to Earth. for the following movie plot: After his untimely death, Bruce Lee (Bruce Leung Siu-lung) wakes up to find himself in the royal court of the "Underworld". Here he meets the King of the Underworld along with his subjects. Upon questioning The King's power, the king demonstrates his displeasure by shaking a pole that can cause an earthquake through the Underworld, which gives Bruce pause. Afterwards Bruce goes to a restaurant, where he meets and befriends Kwai Chang Caine from the TV show Kung Fu, Fang Kang from One-Armed Swordsman and cartoon sailor Popeye. He also encounters a criminal mob consisting of Dracula, James Bond, Zatoichi, and Clint Eastwood, who as of late, been terrorizing the denizens of the afterlife. To counter the frequent waves of attacks from the mob, Bruce sets up a martial arts school to help the victims defend themselves. meanwhile, the criminal mob of pop culture characters, who also includes with The Godfather, The Exorcist, and Emmanuelle, is revealed to be planning a coup to take over the Underworld. Among their schemes, the characters send Emmanuelle to have energetic sex with the womanizing King in the hopes that he will have a heart attack. At the same time, the mob sends Dracula to kill Bruce Lee. The plan fails, leaving Dracula dead and Bruce Lee discovers a set of written documents that his opponent was carrying as proof of the movement against the King. Upon revealing the documents to the King, he expresses gratitude, promoting Bruce as the captain of his bodyguard. Bruce endures a series of victorious battles with the rest of the would-be usurpers, single-handedly putting an end the attempted coup, but is still angered by the King's abuse of power. Soon enough, Bruce decides to face the King head on. However, the King is assisted by the famous Chinese folk hero Zhong Kui who summons a band of demons to combat Bruce. The battle proves difficult for Bruce and almost meets his match until Caine, Fang Kang and Popeye arrive in the nick of time to assist him. Eventually Bruce and company emerge triumphant and...
Answer:
Bruce threatens to kill the King unless the King does what?