Siegel and Shuster appealed, but the appeals court upheld this decision. DC Comics fired Siegel when he filed this second lawsuit.The judge ruled that DC Comics had effectively abandoned the copyright to Superman and therefore forfeited its right to sue Fawcett for copyright infringement.Etaya When HYDRA fell, the twins joined Ultron to get their revenge on Stark, but abandoned him when they discovered Ultron's true intentions to destroy Earth.Captain America Costume Writer John Byrne rewrote the Superman mythos, again reducing Superman's powers, which writers had slowly re-strengthened, and revised many supporting characters, such as making Lex Luthor a billionaire industrialist rather than a mad scientist, and making Supergirl an artificial shapeshifting organism because DC wanted Superman to be the sole surviving Kryptonian.
