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Detective Comics #400 cover
Cover: Neal Adams

Detective Comics #400

Jun 1970 · DC · 0.15 USD
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★ 1st appearance — Kirk Langstrom★ 1st appearance — Man-Bat
About this Issue

Detective Comics #400 is the debut of Man-Bat — Kirk Langstrom, the zoologist whose self-administered bat-gland serum transforms him into a monstrous human-bat hybrid — cementing him as one of the most enduring and conceptually rich additions to Batman's rogues gallery since the Silver Age. The character resonated precisely because he inverts Batman's own mythology: where Bruce Wayne chose the bat as a symbol of control, Langstrom is consumed by it, making him a dark mirror rather than a simple villain. Some comics historians have argued that Man-Bat's horror-inflected premise — a sympathetic scientist undone by his own experiment — cracked open the door for the flood of monstrous antiheroes (Morbius, Werewolf by Night, Ghost Rider, Swamp Thing) that would define the Bronze Age of comics in the early 1970s. As the 400th issue of Detective Comics, the series that gave DC its very name and introduced Batman to the world in 1939, the milestone number itself made the debut doubly significant.

In "Challenge of the Man-Bat," Barbara Gordon—now Batgirl—steps into the spotlight at Hudson University during an Edgar Allan Poe festival, only to stumble upon a murder and a suspect who may be innocent. As she digs deeper, her investigation takes a dangerous turn when she’s captured and imprisoned in a wall, forcing her to rely on wit and courage to survive. Written by Denny O'Neil and illustrated by Gil Kane with inks by Vince Colletta, this 1970 classic features a haunting cover by Neal Adams, capturing the eerie tension of a mystery that blurs the line between man and monster.

Contains 2 stories
Challenge of the Man-Bat
16 pp · Superhero
Man-Bat [Kirk Langstrom] (origin, introduction)Batman [Bruce Wayne]Alfred Pennyworththe Blackout Gang

In "Challenge of the Man-Bat," Dr. Kirk Langstrom's experiment with bat gland extract transforms him into the Man-Bat, a creature caught between man and beast. When his new form puts him at odds with Gotham's criminal underworld, he finds an unexpected alliance with Batman to stop the Blackout Gang's latest rampage.

A Burial for Batgirl!
8 pp · Superhero
Batgirl [Barbara Gordon]Robin [Dick Grayson]Hank OsherJack MarkhamAmos WillardProfessor Huntington

In "A Burial for Batgirl!", Barbara Gordon—now at Hudson University for an Edgar Allan Poe festival—unwittingly stumbles into a murder case when she arrests Hank Osher. As Batgirl, she soon suspects he’s been set up, launching a dangerous investigation that leads her into a trap and a chilling fate.

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $219
CGC 9.8 · 12 in census $22,671
CGC 9.6 · 30 in census $3,739
CGC 9.4 · 62 in census $1,955
CGC 9.2 · 74 in census $1,038
CGC 9.0 · 125 in census $866
CGC 8.5 · 148 in census $555
Show all 22 grades
CGC 8.0 · 158 in census $472
CGC 7.5 · 131 in census $409*
CGC 7.0 · 172 in census $409
CGC 6.5 · 163 in census $277
CGC 6.0 · 147 in census $277
CGC 5.5 · 116 in census $218
CGC 5.0 · 92 in census $210
CGC 4.5 · 58 in census $210
CGC 4.0 · 71 in census $201
CGC 3.5 · 40 in census $201
CGC 3.0 · 26 in census $201
CGC 2.5 · 17 in census $139
CGC 2.0 · 9 in census $139
CGC 1.5 · 3 in census $88*
CGC 1.0 · 3 in census $74*
CGC 0.5 · 5 in census $63*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

More listings for this title

VG $212.67 GD $215 CGC 5 $259.15 CGC 6.5 $265.95 VG $305 CGC 4.5 $329.99 CGC 4 $350 CGC 4.5 $351.06
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History

The character originated as a concept by Neal Adams, who brought a written synopsis to a story meeting where writer Frank Robbins had arrived without material; editor Julius Schwartz initially laughed off the idea before Adams reportedly pressed the case that Marvel could easily appropriate the concept if DC did not act. Adams later stated publicly that the full story idea was his own, passed to Robbins to script — a claim Schwartz disputed in Les Daniels' Batman: The Complete History, saying his own recollection differed from Adams's account. The resulting 16-page lead story was pencilled by Adams and inked by Dick Giordano, with Schwartz editing, as part of the broader Adams-O'Neil-Schwartz effort underway since Detective Comics #395 to strip Batman of the campy residue left by the 1966 television series and return him to a darker, more gothic register.

Trivia · 8 facts

  • First appearance and origin of Man-Bat (Dr. Kirk Langstrom), cover-dated June 1970, published on-sale April 30, 1970.
  • Created by writer Frank Robbins and artist Neal Adams, with editor Julius Schwartz; Adams inked the cover himself, while Dick Giordano inked the interior story.
  • The lead story, 'Challenge of the Man-Bat!' (script by Robbins, pencils by Adams, inks by Giordano), runs 16 pages and ends on a deliberately ambiguous note — Batman unsure whether the fleeing creature is friend or foe — with Langstrom's full winged transformation not yet depicted.
  • The backup feature, 'A Burial for Batgirl!' (script by Denny O'Neil, pencils by Gil Kane, inks by Vince Colletta), marks the first team-up of Batgirl (Barbara Gordon) and Robin (Dick Grayson), though the story is structured as two separate solo segments that briefly intersect; the story continues in Detective Comics #401.
  • Man-Bat's next appearance came in Detective Comics #402, where the character returned in a decidedly more antagonistic role, his transformation having advanced further.
  • The lead story was reprinted multiple times, including in Batman Family #1 (September–October 1975), Man-Bat #1 (December 1984), Batman Arkham: Man-Bat (2017), Batman by Neal Adams #2 (2019), and Detective Comics: 80 Years of Batman (2019); a full facsimile edition of the original issue was published by DC in November 2024.
  • Man-Bat went on to headline his own short-lived solo series in 1975–1976, illustrated by Steve Ditko, which was cancelled after only two issues.
  • Future comics writer Alan Brennert — himself later a notable Batman contributor — appears on the letters page of this issue.

Full credits

artist Gil Kane
letterer Milt Snapinn
cover pencils, inks Neal Adams

Reprints

Reprinted in Batman Classics #10 (1971), Batman Classics #13 (1971), Lynvingen #3/1971 (1971), Superman Supacomic #143 (1971), Superman Supacomic #144 (1971), The Batman Family #1 (1975), Superman #25/1975 (1975), Batman and Robin #6 (1977), The Super Heroes #4 (1981), Batman Extra #5 (1982), Batman Taschenbuch #16 (1982), The Best of DC #30 (1982), Man-Bat #1 (1984), Batman #8 (1985), Super Star Comics #2 (1986), Batman #1 (1989), Batman Illustrated by Neal Adams #2 (2004), Batman: Cover to Cover #[nn] (2005), Batman: Gotiske netter [Alle Tiders Superhelter] #[nn] (2005), Showcase Presents: Batgirl #1 (2007), Showcase Presents: Robin the Boy Wonder #1 (2008), Batman Collection: Neal Adams #2 (2009), Showcase Presents: Batman #5 (2012), Batman Illustrated by Neal Adams #2 (2013) + 8 more

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