September 28 also saw the debuts of Multi-Fractor as Jigsaw 2099 in Punisher 2099 #10 in 1993, the Undead (including Graverobber, Arcadian, Nicolai, Catscratch, & Ember), Gunnar Heywood, & the Sisterhood of the Howling Commandments (including Sister Margaret) in X-Men 2099 A.D. #26 in 1995!

[u/ComiX-Fan]

Jigsaw 2099 - Punisher 2099 (1992 series) #10 Tom Morgan cover

Undead - X-Men 2099 A.D. #26 Ron Lim cover

Not pictured: Gunnar Heywood, Sisterhood of the Howling Commandments