A NEMESIS RETURNS SENDING SHOCKWAVES THROUGH RIRI'S WORLD! She's already attacked Chicago once and made off with a valuable artifact from the DuSable Black History Museum. Now the alchemical transformer KHEM is back for another bite of Ironheart's city - and this time, she's not alone. What is Khem's connection to a classic Iron Man villain - and can Riri stop her before all of Chicago burns? Hugo-and Eisner-winning writer John Jennings teams up with all-star artist Jethro Morales for an action-packed flurry of blows in the Windy City! RATED T+