Aero finally faces the menacing and mysterious Madame Huang! But who is she — and will her experience and power stop Aero in her tracks? Huang’s deadly plans threaten not only Shanghai but the whole world! Now, Lei Ling must try to unravel the mystery of the crystal towers and the monstrous creatures infiltrating Shanghai — but saving the city from certain doom may come at the cost of her secret identity! Plus: Aero meets one of the Marvel Universe’s best and brightest when Iron Man makes a surprise visit!