The Mighty World of Marvel #67

When the Hulk is back in custody, General Thaddeus "Thunderbolt" Ross seeks a permanent solution to contain the jade giant. Enter the reformed Leader, who offers a shocking new idea: a prison of unbreakable plastic designed to hold the Hulk forever. With Betty Ross and Glen Talbot watching, the plan begins—but the true cost of such a victory remains uncertain.

In "The Mad Menace of the Macabre Mole Man!", the subterranean menace Mole Man unleashes a terrifying assault by sinking chunks of New York City into his hidden domain. With the Fantastic Four and a host of Avengers caught in the chaos, Sue Storm is gravely injured—forcing her to seek help from a long-lost father whose past as a fugitive may be her only hope for survival.