The adamantium bonding process was tested multiple times, killing every test subject until Weapon X got their hands on Wolverine, so they diversified. Weapon X saw the utility of mutants, and ...

When he emerged, Wolverine’s bone claws were now coated in adamantium, transforming them into razor-sharp, indestructible weapons capable of slicing through almost anything—from steel to stone, even ...

X-Men Origins: Wolverine and X-Men: Days of Future Past also depicted Wolverine with bone claws during the scenes taking place before Wolverine underwent the adamantium bonding process.

The first look at Ultimate Wolverine #2 features a clash of X-Men as the evil Ultimate Colossus comes to blows with Logan.

It’s also a constant reminder of Wolverine’s troubled history since he underwent the adamantium bonding procedure while part of the Canadian Government’s shady Weapon X program.

It is a direct homage to the comics. Adamantium in Fox’s X-Men Films Wolverine’s Adamantium skeleton and the Weapon X program are a recurring major plot point in Fox’s series of X-Men films.