Marvel Treasury Edition #11

In this 1976 tale from Marvel Treasury Edition #11, the Sub-Mariner faces off against the colossal Giganto, a threat that forces even the mightiest heroes to intervene. With the Thing charging in with a bomb and the Human Torch sweeping the battle into the sea, the deep-sea warrior delivers his trademark threat—“I'll be back!”—leaving the fate of the clash unresolved.

In "The Return of the Frightful Four," the Fantastic Four face a renewed threat when the Frightful Four assault the sanctuary where they've entrusted their infant son under the protection of Agatha Harkness. Though the villains strike with intent, Agatha's formidable power proves more than a match, swiftly turning the tide against them.

In "This Man... This Monster," an unnamed scientist, transformed into a being resembling the Thing, infiltrates the Baxter Building with deadly intent—planning to kill Reed Richards. But when disaster strikes, his actions unexpectedly save Reed’s life, leading to his own tragic end in the Negative Zone.