The third movie in the series a Synthetic kryptonite laced with tobacco tar splits superman into two people, a good superman and a evil superman, Also the first real introduction to Lana Lang is in this movie.
Superman 3
The third movie in the series a Synthetic kryptonite laced with tobacco tar splits superman into two people, a good superman and a evil superman, Also the first real introduction to Lana Lang is in this movie.