[3] Conway added: "We used to sit at editorial meetings and [Carmine Infantino] would say, 'Who has an idea for 1st Issue Special next month?'

[3] The Metamorpho feature reunited the character's creators, writer Bob Haney and artist Ramona Fradon.

[3] 1st Issue Special staff have not been able to answer why the Creeper story was illustrated but not written by the character's creator, Steve Ditko.

A Batgirl and Robin team-up was published in Batman Family #1 (September - October 1975)[3] and a Green Arrow and Black Canary story was kept in inventory until it was published as a backup feature in Green Lantern #100 (January 1978).

[8] Characters from 1st Issue Special star in the 12-issue 2022-2023 DC Black Label series Danger Street by Tom King and Jorge Fornes.