Ursa Major (comics) become more feral and he begins to lose control over his human intelligence if he remains in his transformed state for several hours consecutively. Ursa Major was trained by the Soviet Military, and trained in the use of his powers by Professor Phobos, being a graduate of Professor Phobos's mutant training school. While transformed, Ursa Major possesses superhuman strength, stamina and resistance to physical injury to a much greater degree than an actual bear of similar size possesses. His strength is sufficient to allow him to engage in a one-on-one battle with The Hulk and survive. His senses are also
Ursa (DC Comics) escape. However, the prisoner was later revealed to be an illusion, created by the Psycho-Pirate. "Action Comics" #845 (January 2007), which is the second part of the "Last Son" arc by Geoff Johns & Richard Donner, finally introduced Ursa to the "Superman" comic book canon. This version of her contains elements similar to the originally released version of Superman II (even though Donner is co-writing this arc) where she is in love with Zod. Zod and Ursa are the parents of the Kryptonian boy that Superman and Lois Lane adopted. In a flashback in Action Comic Annual #10 a fleshed