Jasper Sitwell is a fictional comic book espionage agent in Marvel Comics.

Biography

Jasper Sitwell graduated at the top of his class at S.H.I.E.L.D. Academy, with particularly high marks in airborne jump school and underwater maneuvers. When first introduced to S.H.I.E.L.D. Executive Director Nick Fury, the new agent's eager-beaver attitude meets initially with mock (and occasionally real) frustration from Fury and second-in-command Dum Dum Dugan, but Sitwell soon proves himself and earns his fellow agents' respect — albeit tinged with occasional humor aimed at his youthfulness and idealistic naïveté. Mentored by Fury himself and occasionally appointed interim director when Fury is on solo missions in the field, Sitwell later is assigned to Stark Industries as liaison between S.H.I.E.L.D. and that defense-industry contractor, which designs and manufactures much of S.H.I.E.L.D.'s ordnance and equipment. There he confronts costumed assassins and terrorists such as Grey Gargoyle, Spymaster (who shoots him and puts Sitwell in a coma for a time), and A.I.M., and even romances Whitney Frost (Madame Masque), a one-time Stark paramour. Sitwell is eventually reassigned back to S.H.I.E.L.D., but continues to play a role in the affairs of Tony Stark from time to time. When Obadiah Stane takes over what was by then named Stark International, Fury sends Sitwell on an ultimately failed attempt to retrieve Stark's Iron Man armors.

Sitwell, like most of the S.H.I.E.L.D. leadership at the time, is seemingly killed by a self-aware, renegade "Deltan" variety of S.H.I.E.L.D.'s artificial human "Life Model Decoys", and replaced by one such LMD, which was then installed as Executive Director. The real Sitwell later turns up alive after having been brainwashed by a faction of the terrorist organization HYDRA, placed in suspended animation, released as part of a plot against Fury, and eventually deprogrammed. He has since become S.H.I.E.L.D.'s top interrogator, often paired with fellow agent Jimmy Woo. He has also worked closely with G. W. Bridge, mainly in an attempt to neutralize the threat of the Punisher.

Sitwell was one of the many S.H.I.E.L.D. agents who refused to join Norman Osborn's H.A.M.M.E.R. organization in the wake of the Skrull Secret Invasion. He would join with Dum Dum Dugan to form a mercenary paramilitary group, dubbed the Howling Commandos, that would engage H.A.M.M.E.R., HYDRA and its associate "Leviathan" program, alongside Nick Fury's Secret Warriors. One of these many skirmishes sees Jasper lose his friends Eric Koenig and Gabriel Jones.

He also works with Nick Fury in regards to the underground activities of Bucky Barnes, the Winter Soldier.

During one of the Winter Soldier's missions, a brainwashed Black Widow is brought into custody at S.H.I.E.L.D. headquarters. She injures Nick Fury and kills Sitwell before escaping.

Jasper Sitwell returned as a zombie through unknown ways and was held in Area 13 by a S.H.I.E.L.D. division called S.T.A.K.E. Sitwell joined the Life Model Decoy of Dum Dum Dugan and Agent Martin Reyna to fight Teen Abomination. After the defeat of the Teen Abomination, Jasper was brought back to his cell. On the way back to his cell, he crossed DumDum Dugan and recognized him.

As part of the All-New, All-Different Marvel event, Jasper Sitwell's zombie form appears as a member of S.T.A.K.E.'s Howling Commandos.

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