This issue is a variant of Captain America (Marvel, 1968 series) #196 [25¢ price variant]. There exist further variants.
The Madbomb Part 4.
Letters from readers: Robert Rodi (as Bob Rodi), Bruce Clayton, Jeff Silva, Dean Mullaney, Mark Zutkoff, Keith N. Huntsman
Total No. Copies Printed (net press run): Average no. of copies each issue during preceding 12 months: 339,484. Single issue nearest to filing date: 347,138.
Advertisement for Hostess Cup Cakes. Featured in March 1976 and April 1976 Marvel Comics.