^ I don't think that Ten Rings needs to be with HYDRA... There can be HYDRA, and Ten Rings (Mandarin's private army), AIM. Hammer could be dealing with all or some of these groups, as to become the new weapons provider... putting him in the middle of the action...
...his business in losing global sales because he is shifting to defensive weapons systems, surveilance technology, flight control tech, power technology, etc... He is starting to lose it... drinking way too much, falling to pieces.
Fury sees this... He proposes to Tony that SHIELD and Stark Industries create an exclusive contract for Stark to provide new age weapons, high tech gear for SHIELD agents, and design the Hellicarrier so they can "uncouple" their global operations from terrestial constraints. This will give Stark new contracts to raise capitol for the "redirect" of his company, and SHIELD agrees to make Ironman's missions, tracking Stark's weapon systems, a new directive for SHIELD operations (this puts more agents in the field, which could lead to new recruits down the road (see Hawkeye, Black Widow, etc).