The prisoners were to walk the gang-plank and plunge into the mouth.Droid R2-D2 snuck away to the outside deck of the barge, where it launched a concealed lightsaber in Luke""s direction - at the same time, Luke jumped from the plank, catapulted off of it high into the air, flipped, landed back on the skiff, caught the light-saber, and activated it.The film""s non-existent musical score is replaced by an electronic soundtrack (including simulated bird cries and wing-flaps), with Hitchcock""s favorite composer Bernard Herrmann serving as a sound consultant.They were there to kidnap Lois - "the next best thing" besides Superman, according to Luthor: "Hold onto that little lady and he""ll be along.The plot hickens when the clerk realizes that his building""s elevator operator (MacLaine) is being taken for trysts by his married boss (MacMurray) o his apartment.