King Thanos conquered all of existence, but he had to retrieve his younger self from the past to accomplish one thing he longed for

King Thanos is a character that has been around for a long time in the Marvel forums now. Fans have speculated that this much more ruthless version of the Infinity Saga villain will appear in Avengers: Secret Wars. King Thanos is the Mad Titan from TRN 666, where he defeated and killed all the Avengers and mastered the Infinity Stones.

King Thanos has annihilated almost all life in that universe and keeps the Cosmic Ghost Rider as his right-hand man. He also made the Hulk his personal guard dog. A young Thanos is brought millions of years into the future by the Cosmic Ghost Rider on behalf of King Thanos for a unique mission.

King Thanos is a variant of the Mad Titan from Universe TRN 666, who was completely destroyed by his conquest. In this universe, he killed all the Avengers and gained the full power of the Infinity Stones. He made the Hulk his personal pet and put him on a leash as a guard dog.