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Detective Comics #27 cover
Cover: Bob Kane

Detective Comics #27

May 1939 · DC · 0.10 USD
📊 ~88,702 copies sold its debut month
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★ 1st appearance — Bruce Wayne★ 1st appearance — Commissioner James Gordon★ 1st appearance — Batmobile★ 1st appearance — Batman★ Key event — Batman★ 1st appearance — James Gordon
About this Issue

Detective Comics #27 holds an irreplaceable place in comics history as the first published appearance of Batman — introduced here as 'The Bat-Man' — alongside his enduring ally Commissioner Gordon, making it the fountainhead of what would become DC's flagship character and the title series from which the publisher drew its very name. The six-page lead story, 'The Case of the Chemical Syndicate,' established the foundational template of a wealthy, masked detective-vigilante operating outside the law, a template that shaped superhero storytelling for decades. The issue also captures a pivotal transitional moment in the medium: Detective Comics had been a thriving anthology of pulp-inspired crime and adventure strips — starring characters like Slam Bradley, Speed Saunders, and the Crimson Avenger — and Batman's arrival would gradually transform it from an ensemble crime book into a superhero vehicle, permanently altering the direction of the genre. The story's debut was so culturally durable that DC and other creators have retold and reimagined 'The Case of the Chemical Syndicate' across multiple decades, treating the issue as a touchstone of the medium's own origin mythology.

Detective Comics #27 (1939) introduces the world to the Bat-Man in "The Case of the Chemical Syndicate," a gripping mystery where the enigmatic vigilante takes on a deadly corporate conspiracy. Written by Bill Finger and illustrated by Bob Kane, this landmark issue marks the first appearance of Batman, with Kane also handling the cover art.

Contains 12 stories
The Case of the Chemical Syndicate
6 pp · Superhero
Mr. Lambert (introduction, death)Mel Lambert (introduction)Lambert's son (unnamed in this story)unnamed Police Sergeant (introduction)Steven Crane (introduction, death)Crane's butler (introduction)Paul Rogers (introduction)Alfred Stryker (villain, introduction, death)Jennings (villain, introduction, Stryker's assistant)

In "The Case of the Chemical Syndicate," the Bat-Man dives into a web of corporate betrayal, tracking down the killer of a murdered chemical tycoon. With only a trail of suspicious contracts and a network of deceit, he must uncover which of the tycoon’s partners is behind the crime—before the truth is buried with the victim.

Untitled Humor story
0.7 pp · Humor, Children
The Killers of Kurdistan
6 pp · Detective-Mystery
Tom (Trelawney's friend, death)Trelawney (death)Trelawney's maidThe Veiled Prophetress of the Killers of Kurdistan (villain)Killers of Kurdistan (villains, one dies)

In "The Killers of Kurdistan," Speed uncovers a chilling mystery when two men are murdered, one bearing the ominous mark of a red crescent—the signature of the Kurdistan Killers. Though both victims were once part of the sect, they had renounced its violent ways, leaving Speed to wonder why they were targeted and what their past still demands.

Bullet Bluff
6 pp · Adventure, Western-Frontier
The SheriffMatt Doyle (Box K Ranch worker)Jerry Kane (Box K Ranch owner, death)Pepper (Buck's horse)The Terror [Jack Stark] (villain)
The Mysterious Murders
6 pp · Adventure, Spy
Congressman Sneed (death)Congressman Little (death)Congressman BookerCongressman Stokerunnamed spy (villain, death)

In "The Mysterious Murders," Batman investigates a string of bizarre killings linked to a Committee on Un-American Activities, where each victim is found dead after consuming a banana concealing a hidden explosive. The case takes a chilling turn as the Dark Knight uncovers a web of espionage and deception in 1939’s tense political climate.

Murder on the Oceanic Line Docks
6 pp · Superhero
Abe Gold (night club owner, death)unnamed hospital nurse (death)Frank (villain)Mike Moran (villain)Macunnamed police chief
The New Orleans Mardi Gras Murder, Part 1
6 pp · Adventure, Detective-Mystery
Ed Lane (a detective)Lili Grauet (death)
The Insidious Dr. Fu Manchu, Part 11
4 pp · Adventure, Crime
Rev. J. D. ElthamGreba ElthamSir Dennis Nayland SmithVernon DenbyDr. PetrieDr. Fu Manchu (villain)Caesar (dog)
Untitled Humor story
1 pp · Humor
Flannigan
Illegal Aliens
6 pp · Adventure, Crime
Carg (Immigration HQ official)Mike Donovan (Policeman)Yen Lo (villain)Kwan Joy Lo (villain)
Plain Clothes Pete
4 pp · Humor, Detective-Mystery
PeteJoeLouie th' Louse (villain)
The Murderer on Vacation
9 pp · Detective-Mystery
Dick Kelly (death)Gale Dennis (villain)"Black Jack" Benson (villain)Nicky (villain)Helger Wetjen (villain)

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $38,850
CGC 9.2 · 1 in census $907,686*
CGC 9.0 none in existence
CGC 8.5 · 1 in census $439,742*
CGC 8.0 · 2 in census $344,916*
CGC 7.5 · 2 in census $276,815
CGC 7.0 · 2 in census $210,409*
Show all 19 grades
CGC 6.5 · 6 in census $174,784*
CGC 6.0 · 1 in census $166,968*
CGC 5.5 · 2 in census $140,291*
CGC 5.0 · 2 in census $133,407*
CGC 4.5 · 1 in census $113,083*
CGC 4.0 · 4 in census $103,194*
CGC 3.5 · 2 in census $94,363*
CGC 3.0 · 2 in census $81,103*
CGC 2.5 · 2 in census $68,931*
CGC 2.0 · 1 in census $53,822*
CGC 1.5 none in existence
CGC 1.0 · 1 in census $38,844*
CGC 0.5 · 5 in census $27,131*
* 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

VF+ $5 VERY FINE $10 NM- $11.49 NM- $17.6 VF $24.97 CGC 9.8 $175 CGC 9.8 · Foil $249.95 CGC 9.8 · Foil $324.44
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History

In early 1939, following the runaway commercial success of Superman in Action Comics #1, editor Vin Sullivan tasked freelancers to deliver new superhero concepts; Bob Kane responded quickly, conceiving the initial visual idea for 'The Bat-Man,' while his studio collaborator Bill Finger — then working as an uncredited ghost writer — rewrote the script, devised the character's civilian name Bruce Wayne, and redesigned the costume from a caped red-and-black figure into the gray-and-black cowled silhouette that would define the character. Kane brought the concept to Sullivan and negotiated a contract solely in his own name, locking Finger out of any official credit; Kane remained Batman's sole credited creator for over seven decades until DC formally recognized Finger as co-creator in 2015. The debut story's plot is widely recognized by historians as closely paralleling — some say plagiarizing — Theodore Tinsley's 1936 Shadow novel 'Partners of Peril,' which shares nearly the same chemical-company murder scheme.

Trivia · 8 facts

  • First appearance of Batman (referred to in-story as 'The Bat-Man') and Commissioner Gordon, in the six-page lead story 'The Case of the Chemical Syndicate,' written by Bill Finger with art by Bob Kane; published on newsstands March 30, 1939, with a cover date of May 1939.
  • First appearance of Bruce Wayne as Batman's secret identity — revealed on the story's final page — marking the first time the dual-identity superhero structure was used for this character.
  • Commissioner Gordon appears here for the first time but is identified only by his surname; his first name is not established until later issues.
  • The issue is a multi-feature anthology whose other strips include: Speed Saunders ('Killers of Kurdistan,' script by Gardner Fox, art by Fred Guardineer), Buck Marshall Range Detective ('Bullet Bluff,' art by Homer Fleming), a Spy story (script by Jerry Siegel, art by Joe Shuster), the Crimson Avenger (script and art by Jim Chambers), Bruce Nelson (script and art by Tom Hickey), The Mysterious Doctor Fu Manchu (adapted from Sax Rohmer, art by Leo O'Mealia), Cosmo the Phantom of Disguise (script and art by Sven Elven), Plain Clothes Pete (script and art by Russell Cole), Slam Bradley with Shorty Morgan (script by Jerry Siegel, art by Joe Shuster), and a prose text story 'Death on the Airwaves' by Gardner Fox (writing as Paul Dean).
  • The Crimson Avenger (Lee Travis) and his sidekick Wing How appear as a continuing feature; both characters had debuted seven issues earlier in Detective Comics #20 (October 1938), making the Crimson Avenger DC's first masked hero — predating Batman by four months.
  • Slam Bradley and his partner Shorty Morgan, created by Jerry Siegel and Joe Shuster, appear as an ongoing feature; both characters had debuted in Detective Comics #1 (March 1937), two years before Batman's introduction in this issue.
  • The Batman story's plot closely parallels the November 1936 Shadow prose novel 'Partners of Peril' by Theodore Tinsley, a connection noted by multiple comics historians.
  • The issue has been reprinted in full at least twice in exact facsimile format: Famous First Edition #C-28 (1974) and the Millennium Edition: Detective Comics #27, as well as a 2022 Facsimile Edition; the Batman story alone has been reprinted in Batman Annual #5, Detective Comics #387, #627, Batman Archives Vol. 1, Batman Chronicles Vol. 1, and other collected editions.

Cast · 13 characters

Full credits

artist, inker Rob't Kane
letterer Bob Kane
cover pencils, inks Bob Kane

Reprints

Reprinted in Double Action Comics #2 (1940), Pif-Paf: El Campeón de la Historieta #24 (1940), Batman Annual #5 (1963), Batman #200 (1968), Detective Comics #387 (1969), Batman from the 30s to the 70s #[nn] (1972), Almanaque de Batman #[1974] (1974), Famous First Edition #C-28 (1974), Lynvingen #12/1980 (1980), A Smithsonian Book of Comic-Book Comics #[nn] (1981), Detective Comics 27 [Oreo Collector's Edition] #[nn] (1984), The Untold Legend of the Batman [Batman Cereal Edition] #3 (1989), Batman Monthly #10 (1989), The Greatest Batman Stories Ever Told #[nn] (1989), The Untold Legend of the Batman [MPI Audio Edition] #3 (1989), The Greatest Batman Stories Ever Told #[1] (1989), Batman Especial - As Várias Faces de Batman #[nn] (1989), Batman Archives #1 (1990), Detective Comics #627 (1991), DC Comics: Sixty Years of the World's Favorite Comic Book Heroes #[nn] (1995), DC Archiv Edition #3 (1999), Batman #37 (1999), Millennium Edition: Detective Comics 27 #[nn] (2000), Batman in the Forties #[nn] (2004) + 24 more

Key issues in Detective Comics

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