Lois & Clark: The New Adventures of Superman

Leslie attempts to cause a fight in Lois and Clark's wedding by making a play for Lois, and it works. A shadow-murderer is killing the creators of Vixen, and when this guy discovers that there is no antidote to set him free from the shadows, he tries to kill Lois, because she is the woman that Leslie doesn't want to hurt. Superman talks to Dr.Klein about the his compatibility with an Earth woman. When Superman destroys the shadow-man and makes up with Lois, they realize that Leslie is son of Lex Luthor, while that, Leslie and the troll discover Superman's true identity.