Say When (слэш)

** Iron Man 2 AU ⎪Undercover AU **
** Can be read as a stand alone! **
Book 1 of the Say When series. An alternate version of Iron Man 2. What if Steve was unfrozen early? What if instead of Natasha, Steve got assigned to help Tony while the genius was slowly dying of palladium poisoning? What if he never revealed his identity to him until the very moment the Avengers first came together, forming a team?