Vibranium and Adamantium are two of the strongest and best-known metals in the Marvel Universe, but which one is better?

Wolverine has an Adamantium skeleton and claws, but there are also several Marvel Comics villains who also use it.

Marvel officially introduces a new weapon that makes Captain America's shield, Iron Man's armors, Wolverine's claws, and Thor ...

These seven Wolverine villains aren't as popular as they could be, but they're still great villains nonetheless.