Antidote



An antidote was any type of vaccine or medicine that could counteract poisons or unnatural mutations.

Earth-1A
In 1976, Doctor Hiram Gulliver developed a machine that could shrink people, but he didn't bother making an antidote for it.

In 1981, a scientist developed an antidote for Scorpio and all of his insect soldiers, which caused them to return to their normal sizes.