Prime and Prototype fly towards the Ultraforce headquarters when Prototype hears over the police scanner that there's an apparent ultra creating trouble. Prime and Prototype arrive to find the Black Knight from the Marvel Universe defending himself from some police officers, searching for Sersi. After a brief fight they go to Ultraforce's headquarters. Black Knight explains to Prototype and Prime that he comes from a different universe and he's searching for his love, Sersi. He also explains that he is a superhero from his world, and is a member of the Avengers. Suddenly, Siren arrives at the headquarters, claiming to be their newest member, and explains that she needs help. Black Knight assists and they go to a laboratory where beings of light begin to attack. Other members of Ultraforce arrive but cannot find a way to stop these beings of light, whom some call 'angels'. One of the 'angels' attacks Prime and seems to possess him. Meanwhile, it is revealed that Sersi also arrived on the planet but in Africa and seemingly possessed with a malignant intent.