This issue is a variant of Warlord (DC, 1976 series) #115 [Direct].
There exist further variants.
Bannered as Legends Cross-Over Chapter 16.On-sale date from DC Releases #34.
Credits confirmed from DC Releases #34.
Letters from: K. R. Young, Nathan Garrison, Chris Myers, T. M. Maple, Andy Sved, Sandra Lehman, Darin Wipperman, Scott Chantler, and Elvis Orten.