Fan Casting Superman (1993)

The last son of Krypton lands to Earth and is raised by a family Jonathon and Martha Kent. Years pass and Clark Kent has become well helpful around the farm. But deep down feels something calling him from a deep fortress leading him the secrets of his old life and chosen to become The Man of Steel. Superman. The post credit scene showcases a man affording a big building. He turns to open a box showing something green glowing in the box.