The Lex Factor

Jeri Kirkland built and used an andriod she named 'LEX', to help save mankind from extinction through an alien invasion.
The mission had been a success. But Lex, the android, had malfunctioned and almost caused Dr. Kirkland's death.
Jarod Anderson, Jeri Kirkland's husband, had led this team of soldiers. And during their mission, they had to destroy the android. Or so they thought....
Now, Lex was back. And he was angry. Very angry. And in those eight years the android had spent on the planet Mars, it had developed inexplainable powers. And now he was free. Now... he would get his revenge. His revenge on mankind.....