[Later, it was learned that during his fifth appeal from prison, when Superman didn""t appear in court to testify as a witness, Luthor was released.The film also features many popular songs of he era it portrays, includingMelancholy Baby,I""m Wild About Harry,It Had to Be You, andIn a Shanty in Old Shanty Town.A mortal Clark Kent appeared and walked away from his immortal, fading Superman form.Lois was stunned by his ultimate sacrifice: "You did all that for me? I don""t know what to say." Clark replied: "Just say you love me." They hugged and kissed and then walked into an interior part of the Fortress.Meanwhile, Zod and his fellow Kryptonites flew by the Mount Rushmore historical monument and defaced three presidential faces, and crumbled the fourth Abraham Lincoln carving.Stamp engaged in a brief struggle against Ethan, when a grenade (with the pin pulled) exploded and destroyed part of the facility - Stamp was killed by falling debris.