Centsable, the people behind Socker Boppers also did a good business in Halloween costumes.
This 1974 catalog shows that while they did in fact have several decent licenses, they were not above creating some of the ballsiest knock offs of the decade nor did the seem to fear Stan Lee.
It's a fun trip filled with not only costumes but Halloween decorations too.
Extra Value Line
Web-Man? Super X?
For more Superhero and Monster related items, Check out these fabulous links: