In the games, Jax is first depicted as the commanding officer of Special Forces operative Sonya Blade and subsequently becomes one of the warriors defending Earthrealm from various threats. The character is distinguished by his metal bionic arms, which he first received in Mortal Kombat 3 (1995), and his abilities are based around his upper-body strength. Introduced in Mortal Kombat II (1993) as the leader of a Special Forces unit, he became a mainstay of the series, including as the protagonist of the action-adventure spin-off Mortal Kombat: Special Forces (2000). Jax is a fictional character in the Mortal Kombat fighting game franchise by Midway Games and NetherRealm Studios.