|First appearance||Wheels of Fury|
The Mekkans are a race of mechanical beings.
Mainframe was a gaming A.I. that was created by Iron Man who gained a personality of his own and wanted to destroy New York City. The Agents of S.M.A.S.H. and Iron Man had to go up against Mainframe's robots in a roller derby. He contacted the Mekkans in hopes of teaming up to destroy Earth.