Wikia

"I've always been fighting my destiny, trying to avoid becoming my father. But we all have certain genes that, no matter how much we want to change, dominate us." – Lex to Clark, Exodus

Lex Luthor's destiny has been to become a ruthless billionaire and politician to which Lex Luthor has continually fought with but eventually embraced.

Season OneEdit

When Lex meets blind elderly metahuman Cassandra Carver that was able to see a person's future by touching them, Lex asks her to see his. Although he isn't aware of it, she sees a vision of Lex in the White House then surrounded by flowers that turn to corpses while he is bathed in a rain of blood.

Season FourEdit

After Lex was exposed to a toxin that causes its victims to hallucinate their worst fear, he hallucinated himself in the Oval Office, then goes outside where he sees nuclear missiles flying across the skies and destroying every living thing and finally seeing himself in a field filled with the bones of all the people he killed.

Season SevenEdit

When Jor-El sends Clark Kent to an alternate universe to see what life would have been like if Clark hadn't existed, Lex was elected President of United States. Along with his Chief of Staff Milton Fine, Lex was planning on destroying half the world with nuclear weapons in order to reshape it in to his new order.