Avengers I #4 (March, 1964)
The D'Bari home world is D'Bari IV in the Shiar Galaxy.
The D'Bari possess a better than agerage technology that they use to create starships to travel the universe. they also use this technology to create weapons such as the Petrifactor.
The D'bari are humanoids who's clothing varies from robes to jumpsuits.