Martian Manhunter first appeared in Detective Comics #225, published by DC in 1955. That places it in the Silver Age.
Why this issue matters
J'onn J'onzz debuted as a Martian accidentally teleported to Earth, later becoming a founding member of the Justice League and one of DC's most powerful heroes.
Key facts
Detective Comics #225
- Character: Martian Manhunter
- Publisher: DC
- Cover year: 1955
- Era: Silver Age
Before you buy or sell one
- Check it is a first print, not a facsimile or reprint. Newsstand and direct editions are priced differently too.
- Condition decides most of the value. Whether grading is worth it depends on the copy.
More DC firsts from the Silver Age
- Reverse-Flash (Eobard Thawne) The Flash #139, 1963
- Zatanna Hawkman #4, 1964
- Barry Allen (Flash) Showcase #4, 1956
- Hal Jordan (Green Lantern) Showcase #22, 1959
- Justice League Brave and the Bold #28, 1960
- Brainiac Action Comics #242, 1958
- Bizarro Superboy #68, 1958
- Supergirl Action Comics #252, 1959
Got a copy?
I buy key issues and whole collections across the UK, and I will tell you honestly whether what you have is the real first or a later printing. Send me photos of the cover and the indicia and I will come back with a straight answer, and a proper valuation if you want one.