By Marvel Written by Kelly Sue Deconnick Art by Stefano Caselli Release Date 12/12/2012 Did you know that there's a theory that the bacteria in our bodies actually controls our moods and may even be responsible for elements of our personalities? TONY STARK and BRUCE BANNER did. What happens when a 20 million-year-old evolutionary catalyst infects a HULK? Could it be a cure? Meanwhile, on the outside, CAPTAINS MARVEL AND AMERICA must find the missing scientist before he unleashes said bacteria on the world. 1st Appearance of Sergei Sorokin (Earth-616) 1st Appearance of Yun Guang Han (Earth-616)