by plunging deep into the earth to shore up the fault line, but Lois, reporting in the area trapped inside her car is crushed to death. Disobeying his father, Superman travels back in time and prevents the Hoover Dam burst, fixing the fault line and preventing Lois' death. Superman bids farewell and delivers Luthor and Otis and delivering them to prison. Superman II (1980) Clark learns from Perry White that Lois is in Paris, France, where terrorists have seized the Eiffel Tower, threatening to level the city with a Hydrogen Bomb. Superman arrives and throws the elevator containing the bomb out of the atmosphere and into deep space, where it explodes, shattering the Phantom Zone mirror containing the Kryptonian criminals General Zod, Ursa (DC Comics) and Non. Clark and Lois are sent on assignment in Niagara Falls, Ontario. After Superman rescues a boy who falls over the railing, Lois starts noticing how Clark disappears every time Superman is around. Later in their hotel room, Clark's identity is revealed to Lois when he quickly retrieves his fallen glasses from the fireplace with his bare hands. Clark admits the truth and takes Lois to the Fortress of Solitude, where he tells Jor-El his desire to give up being Superman to live a normal life with Lois. Jor-El shows him a crystal chamber which will expose him to harnessed rays from Krypton's red sun, permanently removing his powers. After undergoing this de-powering process, Clark takes Lois to his bedchamber and they sleep together. Meanwhile, the three Kryptonian criminals arrive on Earth and wreak havoc on a small town, easily defeating the U.S. military. After defacing Mount Rushmore, the trio conquer the White House, where Zod forces the President of the United States to kneel before him. Realizing his mistake, Clark returns to the Fortress, and uses the green crystal that called out to him at the start of his journey to reactivate the panel. Lex Luthor arrives at the White House, informing Zod that Superman being Jor-El's son and manipulates them into luring Superman into a trap. They arrive at the Daily Planet offices and seize Lois, only to be interrupted by the arrival of a fully restored Superman. Following a destructive battle between the four Kryptonians, Superman flees, seemingly in defeat. Luthor convinces the villains to pursue Superman in his Fortress of Solitude, where they force Superman into the same depowering chamber