(W) Jeff Parker (A) Mahmud A. Asrar (CA) Mico Suayan. "JOURNEY INTO SCIENCE!" GUEST STARRING IRON MAN * Before BRUCE BANNER and TONY STARK became heroes* they built weapons. But who inspired them? * One of Bruce's lab assistants has unraveled a mystery from their past * Now SHIELD must send HULK and IRON MAN to retrieve one of the greatest weapon designers of all time. * Will they come back as weapons of mass destruction themselves?