 Maxwell Plumm first appeared in "Luke Cage, Power Man" #18 (April 1974), and was created by Len Wein and George Tuska.He first appeared as the second Steeplejack in "Ms. Marvel" #14 (February 1978), by Chris Claremont and Carmine Infantino.The character subsequently appears in "Captain America" #319 (July 1986), in which he was killed by the Scourge of the Underworld.