The Olympian is later seen as a member of the Ultramarine Corps. During his time with the group he falls under the mental control of Gorilla Grodd. The Olympian nearly kills Martian Manhunter and Aquaman. Grodd is defeated and most of the Corps travel to another universe. The Olympian later appears in "Infinite Crisis" #4. He is part of a group of mystically-aligned beings who make a failed attempt to gain the aid of the Spectre. He is briefly seen in #6, working with many other people, from the military to other heroes, including Owlwoman. They fight a holding battle to protect the city of Metropolis from the Secret Society of Supervillains. The Olympain returns in "Wonder Girl" #4 (February 2008) as the guardian of Cassandra Sandsmark and her mother Helena, a position appointed to him by Zeus. During this storyline it is revealed that he and Cassandra's mother, Helena Sandsmark, have romantic feelings for one another.