Yes He Has. But He Doesen't Want To Kill But Sometimes Violence is The Only Way.
Kryponite can kill superman, Magic can too. But doomsday actually killed him but he came back. I hate superman though.
superman killed badguys but not the inocent
Doomsday killed him in the 1992 story-arc The Death of Superman
Kryptonite.
Superman does not fear any noble gas. In the "Death of Superman" comic storyline, Superman is killed by Doomsday, not a noble gas.
Yes he killed Superman.
North Mission Road - 2003 Who Killed Superman was released on: USA: 28 August 2006
Yes he has!
a horse head
Batman had the upper hand on Superman & could have killed him with the kryptonite spear, until Superman convinces Batman to 'save Martha'.
Superman IV: The Quest for Peace (with Christopher Reeve)
Superman was killed by the intergalactic monster Doomsday in an issue first published in 1992. But he did come back to life after four other characters had been introduced- Superboy (imperfect Superman clone)/ Eradicator (Kryptonian anti-hero)/ Steel (John Henry Irons in iron suit)/ Cyborg Superman (evil villain).