This issue is a variant of Marvel Team-Up (Marvel, 1972 series) #61 [30¢]. There exist further variants.
Copyright ©1977 by Marvel Comics Group, a Division of Cadence Industries Corporation.
Al Milgrom cover pencils credit confirmed 2010 by Al Milgrom.
Letters from readers - Michael E. Ambrose and Ed Via. Letters page replies by Chris Claremont.