She-Hulk, Vol. 2 #15 (2007)

Planet Hulk - Planet Without A Hulk, Part One: She-Hulk: Agent of S.H.I.E.L.D.
Jen has been recruited by Tony Stark to join S.H.I.E.L.D. as an agent with Clay Quartermain's Hulkbusters. The Hulk has been banished from the Earth by Stark, and the rest of the Illuminati but there were some threats that only the Hulk was strong enough to deal with. It's Tony's hope that Jen might be able to help keep them in line. But what's going to happen when she learns just what happened to her cousin?
Release Date: 2007