JLA: Year One (1998) by Mark Waid, Brian Augustyn, and Barry Kitson is a 12-issue limited series chronicling the formation of the Justice League. It follows Flash, Green Lantern (Hal Jordan), Black Canary, Aquaman, and Martian Manhunter as they unite against an alien invasion, bonding as a team while facing threats like Vandal Savage and T.O. Morrow.