Origins of characters whose name contains “Baron Karza”

IssueTitleNotes
25Micronauts (Vol. 1)Origin of Baron Karza; Versus Mentallo (Marvin Flumm); Tales of the Microverse
25/NSMicronauts (Vol. 1)Origin of Baron Karza; Versus Mentallo (Marvin Flumm); Tales of the Microverse