Conversation so far:
What happened in Mark Henry's carreer on 2015-2017?
Mark Henry returned on the March 12, 2015 episode of SmackDown, confronting Roman Reigns for having a lack of identity and for not being respected, resulting in Reigns attacking Henry.

Question: And how did this comfrontation end?
Self-contained rewrite: And how did this confrontation between Mark Henry and Roman Reigns end?