 Having been exiled to the Negative Zone by the Supreme Intelligence, the only way Mar-Vell can temporarily escape is to exchange atoms with Rick Jones by means of special wristbands called Nega-Bands.He is also given superpowers, and his Kree military uniform is replaced with a form fitting costume.The process of the young man being replaced in a flash by the older superhero was a nod to the original Fawcett Captain Marvel, which had young Billy Batson saying the magic word "Shazam" to transform into the hero.