Use this as a tool for your locked and private stories to cover up major reveals or plot twists. Also Use It To Make It Mean You Can't Find The Person For The Role.
Spoiler
Mysterious Benefactor
for Mysterious Benefactor in The Invincible Iron Man: Extremis
Suggested by mrelimac
Tony has felt weaker after fighting the Masters. He's now designed a way for his armor to fully protect himself by becoming a part of him.
