is shot and mortally wounded during a skirmish with the local military. As he dies, he bequeaths his javelin to teammate Harley Quinn, who later uses it to kill several Corto Maltesean soldiers and Starro. Jefferson Jackson Jefferson Jackson is a supporting character of Ronnie Raymond (a.k.a. Firestorm) who makes his debut in Firestorm (vol. 2) #1 (June 1982). Jackson is a former student of Bradley High School in Manhattan, New York. During his tenure at Bradley High, Jackson became a member of the school's championship basketball team, where he met Ronnie. The two became close friends, and Jackson frequently aided Ronnie during the numerous episodes wherein the latter would find himself embroiled in conflicts with school jerk Cliff Carmichael. Jackson dated a young woman named Stella, and the two frequently double-dated with Ronnie and his girlfriend, Doreen Day. Jefferson Jackson in other media Jefferson "Jax" Jackson appears in media set in the Arrowverse, portrayed by Franz Drameh. First appearing in the live-action TV series The Flash episode "The Fury of Firestorm", this version was a high school football player who was injured when S.T.A.R. Labs' particle accelerator exploded and was forced to become a mechanic instead. Following Ronnie Raymond's death and due to Martin Stein's F.I.R.E.S.T.O.R.M. matrix destabilizing, the Flash and his allies find and recruit Jax to save Stein and become the new Firestorm as all three were affected by the particle accelerator in a similar manner. Despite initial hesitancy, Jax joins forces with Stein and together they leave Central City to hone their powers. Jax appears in the animated web series Vixen. Jax appears in the live-action TV series Legends of Tomorrow. In season one, he and Stein are recruited by Rip Hunter to join his Legends to defeat Vandal Savage. Despite Jax refusing and Stein bringing him against his will, the former grows to appreciate being part of a team. In seasons two and three, Stein inadvertently changes the timeline and gives himself a daughter, who goes on to have a son named Ronnie. In light of this, Jax asks his teammate Ray Palmer for help in developing a formula to separate the F.I.R.E.S.T.O.R.M. matrix so the former can use Firestorm's power on his own and allow Stein to be with his family. During the "Crisis on Earth-X" crossover however, Stein is fatally injured while helping the Legends and Earth-1's heroes combat Nazis from Earth-X, but