The stories in this issue all bear the logo reading "The editors guarantee that this is one of the most Astonishing stories you've ever read!" used by the cancelled Astonishing (Marvel, 1952 series) perhaps indicating that this issue was built on an unpublished pre-implosion issue.
Some information on this issue supplied by the Timely/Atlas list. Distribution date from Joseph Marek's Marvel Comics Group history website.
Character(s):
Matt Mastodon; Gil Feeley; Hodge Podges
Synopsis:
A movie executive fires the only person who disagrees with him on about a movie on a newly discovered world, but the boy turns out to have an inside connection with the aliens and makes his own film.