Complex sentence: Forcing the two minds of the Lifeform into a debate with the Hulk and his alter-ego, Dr. Bruce Banner, Mercy's machinations are ultimately fruitless, as in the end the Hulk and Lifeform only end up fighting each other.
Split into simpler sentences: Forcing the two minds of the Lifeform into a debate with the Hulk and his alter-ego Dr. Bruce Banner, Mercy's machinations are ultimately fruitless. In the end, Hulk and Lifeform only end up fighting each other.