On-sale date from copyright registration.
First issue of a three issue storyline. Guest stars the Justice League.
The Blackhawks proceed to become superhero-ized in issue #229 and achieve superhero status in issue #230.
| Script: | Henry Boltinoff (signed as Henry Boltinoff ) |
| Pencils: | Henry Boltinoff (signed as Henry Boltinoff ) |
| Inks: | Henry Boltinoff (signed as Henry Boltinoff ) |
| Colors: | ? |
| Letters: | Henry Boltinoff (signed as Henry Boltinoff ) |
Idea from William Sproat, Waynesboro, Pa.
Between page 22 and 23 of the previous sequence.
Letters from Robert Salo, Richard Tranell, David Greenlee, Jerry Mace, Danny Cassidy, Frank Roach, Gabriel Jozsa, Jerry Grissett, Steve Portwood, Frank Paul, Bill Beasley, Francis Huver, Johnnie Miller, Christine Thompson, Paul Harvill, Stu Brown, and Robert Davis.