Heavy Metal (Marvel Comics)
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Heavy Metal is a group of villains of the Marvel Universe. They first appeared in Avengers v1. #288 and apparently disbanded after their defeat in Avengers v1. #290.
Membership of the villain group were the Awesome Android, Machine Man, Sentry unit #459 (not Rob Reynolds but a Kree agent), the Super-Adaptoid and TESS-One.
Their main purpose was to serve the Super-Adaptoid, whom the group had as leader and aid him in his quest to gain the Cosmic Cube's power.