"Down 'n' Dirty with the Defenders!" Believing the Earth in danger and no longer this world's Sorcerer Supreme, Doctor Strange turns to his old teammates Namor, the Sub-Mariner and the Hulk for one last desperate mission. It's a mission that will lead them into direct conflict with Thunderstrike, Mainframe, Stinger and J2 - it's the original Defenders vs. the new Avengers for the first time! Plus: Who is Doc Magus? What does the future hold for the Hulk and Namor?