In Captain America: Brave New World, Adamantium is discovered in the Celestial Island, and is a key part of the worldwide treaty that Harrison Ford's Thaddeus Ross is championing. In a speech at The White House he says that the metal has numerous health properties and could be the most important discovery since Vibranium.

Captain America: Brave New World is nominally a political thriller in which the new Captain America (Anthony Mackie, taking over the role from a retired Chris Evans) must uncover a conspiracy to mind-control soldiers and embarrass the newly named President of the United States, Thaddeus Ross (Harrison Ford, filling in for the late William Hurt).

Marvel Cinematic Universe movies have—with a couple of notable exceptions (Guardians of the Galaxy Vol. 3, Deadpool and Wolverine)—been depressingly slight and subpar. Thus, it’s a relief to discover that Captain America: Brave New World,