John Eisenhart has the same life history as his 2099 counterpart.
However, unlike in that reality, Eisenhart was not killed by S.H.I.E.L.D., but instead fell into a coma, and was taken into custody by S.H.I.E.L.D. and held prisoner. Recently, he was released from captivity and awakened by the Red Hulk 2099, following the orders of the Neo-Illuminati. Now awakened, and at the height of his power, Hulk 2099 faced Juggernaut 2099 and won. Today, John Eisenhart is searching for redemption for all the misfortunes that he caused involuntarily, and serves on S.M.A.S.H. 2 alongside the other Hulks of the future.
Powers and Abilities
The Hulk of 2099, like his namesake, is one of the strongest characters in his universe, and also like the original, his strength would increase with his emotional state. His baseline strength is 150 tons and he is nearly invulnerable. In addition, Hulk 2099 had a high level of speed and stamina, a healing factor, and could leap great heights (he could easily leap hundreds of feet in height and hundreds of miles while in an enraged state). Eisenhart can willingly transform himself into Hulk 2099, the process adding an extra 5 feet 9 inches in height and 1,423 lbs to his frame. Unlike his predecessor, this Hulk had razor sharp claws and fangs that could tear through steel.
The most distinctive difference from the Earth-616 Hulk was his psyche. Initially, when turned into the Hulk, Eisenhart retained his intellect and personality (although significantly more aggressive, due possibly to his current emotional state). Eisenhart was even able to control his transformations. However, as time progressed, Eisenhart and the Hulk became two distinct separate personalities, Eisenhart was more ruthless, while the Hulk was heroic. As the mental separation became more distant, the transformation would only occur during moments of rage.
After being released from S.H.I.E.L.D. captivity, the two personalities (John Eisenhart and Hulk 2099) reached a mutual consensus that Hulk whould be a formidable force for good and merged, resulting in a third personality that adds the best of both with Hulk 2099 in control.