Welcome to Murder World, where secrets are plenty, alliances are fleeting, and the key to victory might be rewriting the rules of the game. Who will survive? As Cammi and Hazmat battle the mysterious Deathlocket, X-23 and Juston Seyfert's Sentinel join the fray...but who is the killer stalking the heroes in their sleep? Who are the students of the Braddock Aacdemy? And why does Darkhawk equal death?Collecting: Avengers Arena 1-6