This weapon was so powerful it could put an army out of action with the flick of a finger. The Grey Gargoyle attempted to steal it from the factory, in order to defeat Thor and seize Mjolnir, but Iron Man used his chest transmitter on a certain frequency that made the cobalt weapon to short circuit and beat the villain.
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- 1 Appearances of Cobalt Device
- 1 Images featuring Cobalt Device
- Item Gallery: Cobalt Device
- Fan-Art Gallery: Cobalt Device
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