Adamantium is a fictional alloy in the universe, most commonly known for 's claws (and his skeleton) and 's shield. It first appeared in 1969 in #66 and was created by author Roy Thomas as the outer shell of . Wherever it appears, it is described as practical indestructibility.

Adamantium appears in several storylines in the comics and in the . The most known are:

Brief History of Adamantium

Fun Facts

The word Adamantium was used well before it appeared in comics. The word adamant and the literary form adamantine was used in works such as Gulliver's Travels, The Adventures of Tom Sawyer, The , and the film .