When Superman "Interferes" with the flying robot, the mad scientist presses a button which causes the robot to jettison the cargo. Therefore, he should not seem so surprised when it arrives empty-handed and demand of Lois Lane what she's done with the gems. See more
Up in the sky, look! It's a bird. It's a plane. It's Superman!
Faster than a speeding bullet, more powerful than a locomotive, able to leap tall buildings in a single bound, this amazing stranger from the planet Krypton, The Man of Steel: Superman! Empowered with X-ray vision, possessing remarkable physical strength, Superman fights a never-ending battle for truth and justice, disguised as a mild-mannered newspaper reporter, Clark Kent.