Deathlok

Michael "Mike" Peterson gained superpowers through the use of the Centipede Serum. However, when he compromised the secrecy of the project, so HYDRA decided to eliminate him, but they were stopped by a group of S.H.I.E.L.D. agents led by Phil Coulson.

Peterson decided to join S.H.I.E.L.D. but was later recaptured by HYDRA and transformed into the cybernetic operative, Deathlok. He was used by HYDRA keep people off their trail, including Coulson's Team. After the downfall of the Centipede Project which was under the control of HYDRA and the death of John Garrett, he decided to go off on his own seeking redemption for his past crimes that he committed on the behalf of HYDRA.