Ashes Used to Print Comic Books Share Share LinkedIn X Facebook Permalink By Gerry W. Beyer July 18, 2009 When Marc Gruenwal, executive director of Marvel Comics, died in 1996, he was cremated and his ashes were mixed with inks used to print 4,000 copies of the mini-series Squadron Supreme, Gruenwald’s proudest achievement. See TruTV, Weirdest Wills. Posted in: Estate Administration and Wills