There are a lot of rules in Tony's life, but only one real one, that he still believes ever since he learned it as a small child: If you broke it, you have to be the one who fixes it. Doesn't matter what it is: toys, machines, hearts, minds, souls. (Rated K, will probably go up in later chapters)
During the Age of Ultron, there are some who remain isolated, who do not participate in the fight, but wait for the fighters to come back. Jarvis' perspective of the Rise of Ultron. (Includes a possible plotline for Age of Ultron. Vaguely spoilery, as it takes into account several of the rumors).
After the battle of New York, Clint is sent to recover in the suburbs while babysitting Captain America. Still grieving for Coulson, Clint's not interested in making friends with this offered replacement for his CO, but for Coulson's sake, maybe he'll give him a chance. (GEN, no ships)