CATALOG RECORD

The Transformers #21

Marvel · Series began 1984 · October 1987 [October 1986]

first appearance of Silverbolt, Slingshot, Air Raid and others

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WHY COLLECTORS WANT IT

Silverbolt (Transformers, Marvel) — introduction
Slingshot (Transformers, Marvel) — introduction
Air Raid (Transformers, Marvel) — introduction
Fireflight (Transformers, Marvel) — introduction
Skydive (Transformers, Marvel) — introduction
Superion (Transformers, Marvel) — introduction

Dates

Cover date: October 1987 [October 1986]
On sale: June 24, 1986
Pages: 36

Editions and covers (2)

Copies of #21 are not all the same book. Here is how to tell each one apart.

Direct edition

Direct

No UPC barcode in the corner box: direct editions show artwork, a logo or a blank box there.
Source ↗
Newsstand edition

Newsstand

A UPC barcode in the cover's corner box.

Barcode 0714860237910
This edition’s page

Creators

pencils: Herb Trimpe, Don Perlininks: Herb Trimpe, Ian Akin, Brian Garveyscript: Bob Budiansky, Jim Shootercolors: Nel Yomtovletters: Janice Chiang

Stories

Aerialbots over America! · 23 pages
The Decepticons deploy their interdimensional bridge at the Hoover Dam, drilling into the dam to obtain energy for Cybertron. Optimus Prime sends his newly created Aerialbots to the Dam to stop the Decepticons.

Characters

Optimus PrimeMegatronBumblebeeRatchetBlasterWheeljackJosie BellerCircuit BreakerSilverboltJetfirePerceptorPowerglideBeachcomberCosmosSlingshotBombshellSeaspraySkidsAir RaidFireflightSkydiveThrustWarpathDirgeRamjetDonny FinklebergSuperionKickbackShrapnel

Reprinted in

The Transformers (1984), Transformers (2001), Transformers Compendium (2025)