
The name Kingdom Come comes from The Lord's Prayer where Kingdom Come is used as a synonym for Heaven. Outside of the name the story does have a heavy religious presence. The narration of the story is split between Pastor Norman McCay, who is seeing apocalyptic visions from The Book of Revelation as well as The Spectre, a spirit sent by God to punish the guilty but is bonded to a man.
When the story begins Superman has exiled himself after the public chose a new hero in Magog who rose to fame after killing Joker. With Superman gone the heroes changed. Jay Garrick moved fast enough to become the embodiment of Speedforce and his city has become a utopia. After Arkham and Blackgate were bombed killing all the prisoners, Batman took control of his city as well as forming a non-metahuman alliances with Ted Kord, Green Arrow, Black Canary and a few other human heroes. Wonder Woman has been exiled by her people. Lex Luthor has created a new alliance of villains. Catwoman and Riddler want to save the world while Lex and Vandal Savage want to rule it still.
When Magog causes a nuclear detonation Wonder Woman begs Superman to return. Eventually he returns and attempts to bring younger heroes up to his style of heroics. But, they don't join him easily. He also can't get Batman to support him. One of the best moments is when Superman and Batman argue early on. Batman says "You always brag that Metropolis was a utopia next to Gotham, now who has the utopia." Superman responds with "You always favored scaring people into obeying the law but this... Gotham is a police state. You're willing to turn ordinary citizens into a superstitious cowardly lot?" Batman ends the discussion with "They'll fear me more than they trust you. I don't trust you. After all, you left, I stayed." It showed how opposite their character were in that moment and through the rest of the series.
Batman didn't like the new murderous heroes so he adapted and kept them out of his city while alining with other heroes who agreed. He has never been the prime example of how heroes behaved, but he didn't leave and people respected him for that even after his identity had been revealed long ago. Superman always operated in the idealistic way, but the most powerful being in the universe, just left. Batman isn't great, but he'll always be there.
When Superman looks to King Arthur Curry for help he sees that Arthur has expanded Atlantis greatly. Superman and Wonder Woman spend time praising him before Arthur stops them. He lets them know he always thought the Aquaman name they gave him was a joke but he desired the friendship he found amongst other super humans. He reminds them that he's long outgrown the name Aquaman. Superman asks for help again and Arthur tells them that he can't bring his problems below sea anymore. He points out that he rules 70% of the world and to him Superman just has a few islands that he can't take care of with all his power.

Superman attacks the United Nations in anger only to be stopped by Batman, Wonder Woman and a few others. They inform him that thanks to heroes like Green Lantern (Alan Scott) who could form shields protecting most of the people. Norman begs The Spectre not to punish anyone because everyone is at fault and asks what the man inside of him thinks. Fast forward and Superman is building a mass graveyard to the dead and restarting farms in the destroyed land. Wonder Woman is teaching the heroes not to kill and Batman is being Batman. The Spectre attends Norm's church in his human form. Fast forward a year later and Norm is helping Spectre regain his humanity. Wonder Woman is pregnant with Superman's child and they ask Batman to be the godfather.
I don't like Superman. He acts as if he's a God amongst man. Kingdom Come addresses that. He believes himself to be a God amongst man and it doesn't work. He only created a war between 4 different parties. It took millions of people to die before he realized he wasn't a God. He even talked to New God Orion who had overthrown Apokolips and brought in democracy only for people to vote for him because they feared him. He told Superman that they aren't Gods and they can't rule no matter how they try.

Kingdom Come is what I always wanted in a story. I love that good ultimately prevails in comics, and it did here too. The difference is it didn't come from a few heroes saying a few magical words about the kindness of men. Everyone had to be proven wrong for peace to come. Nobody is right and that's the joy. Too often in comics everything is black or white when it shouldn't be. Kingdom Come is a beautiful and colorful portrait painted in shades of gray.
You can hear Darrell on the CP Time and Powerbomb Jutsu podcasts. He's also playing Pokemon Liquid Crystal on YouTube
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