Comic Title: Justice League of America #220
Publisher: DC
Cover Date: November 1983
On Sale Date: August 4, 1983 Newsstand Date August 4, 1983
Source: Amazing Heroes, #29

Newsstand Date August 2, 1983
Source: Comic Reader, #212

Shipping Date July 12, 1983
Source: Comic Reader, #212

Copyright Date July 12, 1983
Source: Library of Congress, Copyright Office 1983
DC publication dates beyond April 1981 listed by the LoC
represent shipping dates NOT newsstand sale dates

Shipping Date July 12, 1983
Source: Comics Journal, #83

Shipping Date July 12, 1983
Source: Amazing Heroes, #29

Cover Price: $0.60
Page Count: 32
Editor: Len Wein

Title: "The Doppelganger Gambit"
Pages: 24

Feature(s):
Justice League of America (of Earth-1)

Writer: Roy Thomas
Penciller: Chuck Patton
Inker: Romeo Tanghal
Inker: Pablo Marcos
Letterer: David Cody Weiss
Colorist: Eugene D'Angelo

Reprinted In:
Crisis on Infinite Earths Box Set HC (2020)

Feature Character(s)

• Justice League of America (last appearance in Justice League of America #219; next appearance in World's Finest Comics #300)
• Superman (last appearance in Justice League of America #219; next appearance in Superman Spectacular #2)
• Flash (last appearance in Justice League of America #219; next appearance in Justice League of America #221)
• Green Lantern (last appearance in Justice League of America #219; next appearance in World's Finest Comics #300)
• Black Canary (last appearance in Justice League of America #219; next appearance in Wonder Woman #308)
• Elongated Man (last appearance in Justice League of America #219; next appearance in Wonder Woman #308)
• Red Tornado (last appearance in Justice League of America #219; next appearance in World's Finest Comics #300)
• Zatanna (last appearance in Justice League of America #219; next appearance in World's Finest Comics #300)
• Firestorm (last appearance in Justice League of America #219; next appearance in World's Finest Comics #300)
• Martin Stein (last appearance in Justice League of America #219; next appearance in World's Finest Comics #300)

Guest Star(s)

• Justice Society of America (last appearance in Justice League of America #219; next appearance in Infinity, Inc. #1)
• Flash (Jay Garrick; last appearance in Justice League of America #219; next appearance in Infinity, Inc. #1)
• Hourman (last appearance in Justice League of America #219; next appearance in Infinity, Inc. #1)
• Huntress (last appearance in Justice League of America #219; next appearance in Wonder Woman #308)
• Power Girl (last appearance in Justice League of America #219; next appearance in Infinity, Inc. #1)
• Spectre (last appearance in Brave & the Bold #199; next appearance in Swamp Thing Annual #2)
• Starman (last appearance in Justice League of America #219; next appearance in Infinity, Inc. #1)
• Sargon (last appearance in DC Comics Presents #26; next appearance in Crisis on Infinite Earths #5)
• Johnny Thunder (last appearance in Justice League of America #197; next appearance in Infinity, Inc. #1)
• Thunderbolt (last appearance in Justice League of America #219; next appearance in Crisis on Infinite Earths #5)

Villain(s)

• The Crime Champions (last appearance in Justice League of America #219; no further appearances)
• Chronos (last appearance in Justice League of America #219; next appearance in World's Finest Comics #319)
• Felix Faust (last appearance in Justice League of America #219; next appearance in Crisis on Infinite Earths #9)
• Fiddler (last appearance in Justice League of America #219; next appearance in Crisis on Infinite Earths #9)
• Icicle (last appearance in Justice League of America #219; next appearance in Crisis on Infinite Earths #9)
• Mr. Element (as Dr. Alchemy; last appearance in Justice League of America #219; next appearance in Blue Beetle #2)
• Wizard (last appearance in Justice League of America #219; next appearance in America Vs. the Justice Society #1)

Guest Appearance(s)

• Jim Corrigan (last appearance in Brave & the Bold #199; no further appearances)
• Black Canary of Earth-2 (Dinah Drake Lance; in flashback; last appearance in Justice League of America #74; no further appearances)
• Larry Lance (in flashback as a corpse; last appearance in Justice League of America #74; no further appearances)

Flashback Appearance(s)

• Superman (last appearance in Justice League of America #74; next appearance in World's Finest Comics #186)
• Black Canary of Earth-1 (earliest chronological appearance; next appearance in Justice League of America #75)