616 continues to appropriate original Ultimate ideas. We've had Hawkeye & Cap's new costumes, Black Nick Fury, the idea of the government controlling the Superheroes (SHRA), Betty becoming a Hulk, etc. go over to 616 from the UU.
Now the Rocketmen have found themselves there as well:
Marvel management is constantly trying to separate the UU and 616, but at the same time they allow this stuff to happen, thereby bringing the two universes closer together.
How long until the Chitari show up in Guardians of the Galaxy?