Both appear in war comics titles: Combat Kelly, published by Marvel's 1950s iteration, Atlas Comics, and set during the Korean War; and the 1970s series Combat Kelly and the Deadly Dozen, set earlier during World War II.
Combat Kelly stories were drawn by artists including Dave Berg,[4] Joe Maneely,[4] and Gene Colan,[5] with at least one cover drawn by Russ Heath.
[6] Corporal Michael Lee Kelly starred as the leader of group of military convicts paroled for special missions in a nine-issue series cover-billed as Combat Kelly and the Deadly Dozen (June 1972 - Oct.
[8] With issue #5 (Feb. 1973), the cover title changed slightly to Combat Kelly and his Deadly Dozen.
In issue #3, Kelly is described as a U.S. Army boxer who in 1940 killed a man in the ring.