Superman and the Teen Titans: 1984: Times of the Titans
by HarveyKent 
In a story spanning seventeen years and four different eras, Superboy’s battle with two aliens has repercussions in the decades that follow, when Superman teams up with all three incarnations of the Teen Titans! Witness the original Teen Titans and Superman take on the Terrible Trio! See Superman, the Teen Titans, and Teen Titans West battle the Injustice Gang, with tragic consequences! And finally, watch as Superman and the New Teen Titans battle Lex Luthor and his powerful android Supremo, only to inadvertently cause the return of the two aliens who started it all!
DC Universe: The Rock of Eternity
by Immortalwildcat, Starsky Hutch 76, Libbylawrence, Doc Quantum, Martin Maenza and Earth Elemental 99 
At the end of the Crisis on Infinite Earths, the final remaining Earths became one. But the wizard Shazam wasn’t about to stand for that. But even as he separated the Earths into five and erected powerful barriers between them, it’s nearly a full-time job to keep them from being pierced by heroes and villains alike. Meanwhile, a gathering of some of the worst villains ever are making their own plans. Guest starring Captain Marvel and Earth-One’s John Constantine!