Comic Title: Infinity Inc. #31
Publisher: DC
Cover Date: October 1986
On Sale Date: July 17, 1986 Newsstand Date July 17, 1986
Source: DC Releases, #29
Dates lists as shipping July 17th/August 14th are erroneous
The listed shipping date should be the release date

Newsstand Date July 17, 1986
Source: House Ad, Warlord #110, Page IBC

Shipping Date June 24, 1986
Source: Comics Journal, #109

Copyright Date June 24, 1986
Source: Library of Congress, Copyright Office 1986
DC publication dates beyond April 1981 listed by the LoC
represent shipping dates NOT newsstand sale dates

Shipping Date June 24, 1986
Source: Amazing Heroes, #97

Cover Price: $1.50
Page Count: 32
Editor: Roy Thomas

Title: "Shock Treatment"
Pages: 28

Feature(s):
Infinity, Inc. (of Earth-2)

Writer: Roy Thomas
Writer: Danette Thomas
Penciller: Todd McFarlane
Inker: Tony DeZuniga
Letterer: David Cody Weiss
Colorist: Carl Gafford

Feature Character(s)

• Infinity, Inc. (last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Brain Wave, Jr. (last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Fury (last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Jade (last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Northwind (last appearance in Last Days of the Justice Society Special #1; next appearance in Infinity Inc. #32)
• Nuklon (last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Obsidian (last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Silver Scarab (last appearance in Infinity Inc. #30; no further appearances)
• Star-Spangled Kid (last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Doctor Midnight (joins Infinity Inc.; last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Hourman (joins Infinity Inc.; last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)
• Wildcat (joins Infinity Inc.; last appearance in Infinity Inc. #30; next appearance in Infinity Inc. #32)

Guest Star(s)

• Jonni Thunder (last appearance in Crisis on Infinite Earths #11; no further appearances)

Villain(s)

• Psycho Pirate (last appearance in Crisis on Infinite Earths #12; next appearance in Infinity Inc. #32)