Chemistry

One year after the New York 'incident' and Bruce Banner and Tony Stark have just finished putting New York and The Avengers Tower back to rights. Now working on a project, the two of them discover some brilliant chemistry.
Join Bruce, Tony, Natasha, Clint and others as they struggle through post-chitauri feelings and thoughts.

Warning: infuriatingly short chapters and frazzled updates.
Caution: science bros, clintasha, and other ships, and coulson.