Graviton is a fictional character that appears in comic books published by Marvel Comics. The character first appears in Avengers #158 (April 1977) and was created by Jim Shooter and Sal Buscema.
Franklin Hall is a physicist involved in an experiment in a private research facility in the Canadian Rockies. A mistake in Hall's calculations causes graviton particles to merge with his own molecules, and Hall later discovers that he can mentally control gravity. Hall at first tries to hide his newfound ability, but becomes tempted by the potential power, and donning a costume adopts the alias "Graviton."
When Graviton takes over the research facility and forbids all communications with the outside world, a fellow scientist sends a distress signal to the superhero team the Avengers. A furious Graviton then lifts the facility several thousands of feet into the sky and threatens to kill the scientist. The Avengers then arrive and attack, but with the exception of the Black Panther are all defeated when trapped in a gravity field. The Panther escapes and summons the thunder god Thor, who battles Graviton to a standstill until Graviton is tricked into thinking a fellow scientist he cares for has committed suicide. Graviton then panics and causes the entire facility to collapse on him, forming a giant stone sphere that is dropped into a river by the Avengers.
Graviton later reappears, although is suffering from amnesia and is flickering in out of existence. Somehow guided to the female scientist he has feelings for, Graviton attempts to abduct her but is stopped by Fantastic Four member the Thing and the Inhuman Black Bolt. During the battle, Graviton describes himself as becoming a "living black hole" and morphs into a humanoid. Graviton is then attacked until he loses concentration, and then apparently implodes and is considered dead. Graviton is eventually able to reform his body, and decides to seek
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