There have been a lot of post-apocalyptic comics. (I've covered several before on this blog, in fact!) Over the next installments, I won't to point out the various post-apoc comics in print somewhere besides the back issue bin (and maybe a few that are only there). We'll start with DC:
What's the apocalypse? "The Hydrogen War," October 1986.
Who are the heroes? The Atomic Knights who wear armor from the Middle Ages and ride giant mutant Dalmatians to help rebuild society and right wrongs.
Where can you read it? Atomic Knights (hardcover), Showcase Presents: The Great Disaster (soft cover, b&w).
What's the Apocalypse? The Great Disaster, the nature of which is unspecified.
Who are the heroes? The Last Boy on Earth (Kamandi) and his friends and allies, who fight weird mutant animal cultures and other oddities.
Where can you read it? Kamandi Omnibus vol. One and Two
What's the Apocalypse? A nuclear war
Who are the heroes? Hercules and his teen friends fighting Ares and his minions.
Where can you read it? Showcase Presents: The Great Disaster
What's the Apocalypse? A limited nuclear war ca. 2045.
Who are the heroes? Jonah Hex (the Old West anti-hero) brought to future.
Where can you read it? In back issues only, alas.
What's the Apocalypse? "The Blight", an ecological disaster. Then the creatures of myth and magic return.
Who are the heroes? Prosper Monday and other human survivors in world overrun by creatures from myth and legend.
Where can you read it? Starting with Hinterkind vol 1: The Waking World
Y: The Last Man
What's the Apocalypse? A genetic plague that wipes out almost everyone with a Y chromosome in July of 2002.
Who are the heroes? Yorick Brown, the last man, and his monkey Ampersand.
Where can you read it? Starting with Y: The Last Man Book One
55 minutes ago