P.A.C.K. (Professional Agents – Crime Killers) is a is a team of heroes from Mattel's Big Jim action figure franchise launched in 1975. The team is formed by Big Jim, Warpath, The Whip and Torpedo Fist and they fight the villain Zorak. The collection's boxes were ilustrated by Jack Kirby, a comic book tie-in was published by Marvel, featuring artwork by John Buscema and inks by Joe Sinnott. The Mexican company CIPSA launched Big Jim as Kid Acero (Kid Steel) and the P.AC.K. inspired the creation of LOBO Squadron, which had new members like Bionic Man (inspired in The Six-Million Year Man) and Invisible Man, interestingly, Dr. Steel was transforming into a villain, Doctor Drago.