This House No Longer Feels Like Home

13 years post Battle of New York world where Clint and Natasha are married, and have a son and daughter. They live in a house between DC and New York. The Avengers tower was Stark tower. Except for Clint and Natasha, all Avengers live there. Steve and Tony are together. WARNING Natasha dies before the story occurs, but it is the center of the story. clintasha stony blackhawk (S)