Board Thread:Questions and Answers/@comment-7823447-20140421150120/@comment-12959254-20150417210850

ADour wrote: Primestar3 wrote: Also, of course Cap's Shield can crack Iron Man's armor.

It can't. Immediatelly, after Vision messed up Iron Man's armor in Civil War's final battle, it took some time for Cap to crack the suit. Captain America's shield made out of Vibranium (and Adamantium, I think but I maybe wrong).