Marvel have released the official description for the second episode of their forthcoming ABC series "Marvel's Agents of S.H.I.E.L.D.," an episode that includes a character familiar to comic book fans:
"The Asset" – When the brilliant scientist, Dr. Franklin Hall, is kidnapped, Agent Coulson and his S.H.I.E.L.D. agents must race against the clock to locate him. Skye is their only way in–pushing the team to their limits when the entire plan turns upside-down."
In the comics, Hall is a physicist who becomes the supervillain Graviton, a man able to manipulate gravity after a lab accident.
Source: Flickering Myth