"Even gods may fall! Five X-Men -- Cyclops, Emma Frost, Namor, Colossus and Magik -- have been imbued with the cosmic Phoenix Force, becoming living avatars of destruction and creation. They have transformed Earth into a Utopia--but deep underground, Hell awaits. Mr. Sinister, mutant geneticist and longtime X-Men foe, has created an entire city and populated it with his own clones. And so, the Phoenix Five set out to exterminate Sinister. But even...