After Bruce Banner and Natasha Romanoff had defeated The Leader and The Abomination, Natasha had bought a house for her and Bruce. He walked in it with a blindfold and was very glad when he saw she had bought a house.
After the Avengers defeated Dormammu and his villain team, Bruce Banner and Natasha Romanoff returned to the house.
Later, Natasha is on a S.H.I.E.L.D mission and Bruce stays alone in the house. He gets a message of Jennifer Walters and he also leaves the house.
He returns with Jennifer Walters, Thaddeus Ross, Rick Jones to the house. They sleep in it and the next day Natasha returns from her mission. Bruce is glad to see her again. Bruce introduces his friends to her, but it is interrupted by Rick Jones that transforms in a Hulk. Natasha electrocutes him and he transforms back into a human. After that, they make a plan to stop Sauron and the others.
Some hours later, Sharon Carter and some of her agents also come to the house. She wants to help the Hulks. The police also found the house and send a lot of agents to the house to get the Hulks. They all went into a helicopter of Sharon Carter and left the house.
At the end, when all villains are defeated, Bruce and Natasha return to the house to spend some time alone with each other and take a break of the Avengers.