Hank's history is exactly the same as that of Earth-616's Beast up until the Marvel NEW! relaunch.
Hank has been exposed to a new mutation, giving him the physiology of a bear as opposed to a gorilla. Ashamed of his new look, Beast became angry at himself for giving him the "cure" a while back.
Looking for a group to do more justice, Hank for easily accepted Iron Man's proposal to be on his new team, the Illuminati.