In the Secret Empire Incident of CPUverse the Nazi party of Earth 10 (also known as Earth X), and the people of Shocker from the universe where Shocker won against Kamen Riders Ichigo and Nigo were brought to the CPUverse by Hydra thanks to Hydra Cap. As all three factions allied all three secretly tried to take over.
The battles were intense and it all culminated when the final battle Superman and Kamen Rider Nigo were battling Overman (and Kicking his ass), Captain America and Kamen Rider Ichigo were battling Hydra Cap, while Bucky, Wonder Woman, and Kamen Rider V3 were battling Shocker Rider 3
