Spoiler alert, the scars on Michael B. Jordan's body while he played Eric Killmonger in Black Panther were not real.
I know, I was shocked too.
In the movie, each one of the scars represent a person he's killed along the way. Speaking of along the way, the process for putting on Michael's scars was a long one, in fact it took about two hours every day to implant the prosthetics and then each night he sat in the sauna and sweated them off.
Check out the video below to see how they did it...