Captain America 1968 #133 - back issue - $8.00

Modok's origin is revealed as a former AIM scientist who was turned against his will into the grotesque living computer. Modok creates the Bulldozer robot and sends it to Harlem to tear down the slums in order to gain the residents' favor while discrediting Captain America. Cap and the Falcon defeat the Bulldozer and Modok. After the battle, Cap takes on the Falcon as his partner.

Ad for black & white Marvel art reproductions.

On-sale date from 1971 Periodicals, Copyright Office, Library of Congress with a correction factor of plus 28 days.

• Madness In the Slums! - Cover art credits provided 2006 by Nick Caputo. Original indexer credited Gene Colan and Dick Ayers. The Marvel Comics Index #8A lists cover art credits as Marie Severin and Frank Giacoia.
• - Inside front cover. Two ads from Honor House Products Corp., for monster wall hangings and various novelty items.
• Madness in the Slums! - Page count is 20 in book, but since pages 12 and 13 are half-pages, the total comes to 19 in this index.
• - Ad for people to assemble and sell psychedelic lamp kits from home. Between story pages 3 and 4
• - On top portion of page, between story pages 6 and 7.
• - Between story pages 6 and 7 on lower portion of page.
• - Between story pages 6 and 7.
• - Advertisement for high paying jobs in the drafting field. Between story pages 9 and 10.
• Shop by Mail - Assorted small advertisements for various products. Half-page ad located beneath story half-page numbered 12.
• - Ad for karate book and life-size dummy, $1.98. On lower half of page, beneath story half-page numbered 13.
• Shop by Mail; Stamps - Assorted small advertisements for various products, between story pages numbered 15 and 16.
• Shop by Mail - Assorted small advertisements for various products, between story pages numbered 18 and 19.
• Tellin' It Like It Was, Is, and Oughtta Be! - Includes: Items!, Stan Lee's Soapbox.
• - House ad for Marvel Tales (Marvel, 1966 series) #29 and for Daredevil Annual (Marvel, 1967 series) #2 including images of the covers.
• Coin Curios - Located on top half of page.
• - Ad for selling Grit by the Grit Publishing Co., on lower half of page.
• - Letters of comment from readers Tom Flynn, Dave Brown, Ronnie Smith, Anthony Martinez, Kent Roberts, and M. G. Page; includes ?Know Ye These, the Hallowed Ranks of Marveldom.?
• The Thunder God vs. Dr. Doom! The Battle of the Eons! - Promo for Thor (Marvel, 1966 series) #183. Features cover art from Thor #182.
• - Inside back cover. Ad for a variety of Joe Weider products.
• - Back cover. Ad for Hot Wheels Sizzlers.