Doctor Stephen Vincent Strange, M.D., Ph.D was the Sorcerer Supreme and the founder of the Illuminati on Earth-838. In 2018, during Thanos' crusade against the universe in his quest to gather the Infinity Stones, Strange used the Darkhold to search through the Multiverse for a possible solution to the conflict via dream walking. However, this caused an incursion between two realities, destroying one of them. After Thanos' defeat, Strange was sentenced to death by the Illuminati and executed by Black Bolt.