Issue: #68
Last valuation update: 2026-04-09
Four Mysterious stories in this issue:Spragg Conqueror Of The Human Race!The UtopiaWhere Walks the GhostThe Man from Mars!
First appearances: Professor Bob Robertson, Spragg
Creators: Stan Lee, Jack Kirby, Dick Ayers, Dick Ayers, Don Heck, Steve Ditko
Characters: Professor Bob Robertson, Spragg