User blog comment:HeroicDefender97/Searching for an opponent for Black Panther (Marvel)/@comment-27190018-20151209193507

He may not have royal blood or technology as advanced as Vibranium, but Deathstroke is a common opponent outside of the wiki.

Greeling from Fullmetal Alchemist could also be a match. Both have royal blood, and it would be cool to see Vibranium against Graphene.