1st appearance of Beyonder, the Dark Multiverse version of Terry McGinnis (Batman Beyond)
1st appearance of T-Rex Batman and other alternate universe Batmen
First mention of the Robin King
1st cameo appearance of the Darkest Knight
2nd appearance of the Robin King
1st cameo appearance of Yara Flor, Wonder Woman, later becomes Wonder Girl
1st cameo appearance of Jace Fox as the Next Batman
Character appearances are labeled according to the events of the story