What is A-bomb?

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Rick Jones (comics) - Fictional Character Biography - A-Bomb
... into a creature resembling the Abomination, calling himself A-Bomb ... A-Bomb manages to disable one mid-flight, and they both crash to earth, the robot exploding as it does ... A-Bomb joined with several heroes including the Avengers, the Fantastic Four, She-Hulk and the Hulk to help stop an impending earthquake in San Francisco, which was caused ...