Issue · Image Comics Invincible (2003) #21 Released Mar 16, 2005 USD $2.95 36 pages WriterRobert Kirkman LettererRus Wooton ColoristBill Crabtree PencillerRyan Ottley Next in Invincible (2003) #22 Apr 20, 2005 #0 Apr 27, 2005 #23 · This Missive, This Machination! Jun 1, 2005 #24 Jul 13, 2005