Graviton (Yost Universe)
Franklin Hall was a scientist who worked for S.H.I.E.L.D. to continue the super soldier project. When his secret experiment went wrong, he achieved gravikinetical powers which drove him power-mad. Now known as Graviton, he wants to exact revenge on Fury.
He serves as an antagonist in the Breakout arc of The Avengers: Earth's Mightiest Heroes.