Written by FRED VAN LENTE Pencils and Cover by GURIHIRU Stop! Read this! Have you seen these missing children? JACK POWER, brown hair, brown eyes, can expand his density into a cloudy mass or shrink down to a fraction of his size, also answers to 'MASS MASTER.' He is probably with FRANKLIN RICHARDS, blond hair, blue eyes, wearing a t-shirt with a '4' on it, also answers to 'SON OF A GENIUS.' They've run away from home together to make careers as solo heroes, and Power Pack has to track them down before KRAVEN THE HUNTER does!