Shortly after Bart joined the Teen Titans , he was shot in the knee by Deathstroke ( who at the time was possessed by Jericho ) .
Shortly after Bart joined the Teen Titans , he was received a prosthetic one .
Shortly after Bart joined the Teen Titans , he was shot in the knee by Deathstroke ( who at the time was possessed by Jericho ) and received a prosthetic one .