This issue is a variant of Captain America (Marvel, 1968 series) #196 [25c price variant]. There exist further variants.
Letters page letters by Bob Rodi, Dean Mullaney.
The Madbomb Part 4.
Letters from future author Robert Rodi (as Bob Rodi) & editor Dean Mullaney.
Advertisement for Hostess Cup Cakes. Featured in March 1976 and April 1976 Marvel Comics.