Metal KIller Autobita and Autozeron

ORIGIN:
An deadly virus is removed from a  planet by scientists, who eject it into space. The virus finds a home on another planet, inside a child's balloon. A trio of Uchu-Hunters track the balloon down, and the virus morphs into the giant Autozeron, who then turns into Autobita.

ABILITIES:
Duo-Form: can morph into either form at will
Metal Spit: liquid designed to damage the armor of Metal Heroes
Autovorp: transports self into special dimension where it is 4x stronger