17 sources
Amazing Adventures
The Avengers (vol. 1) #86 (Mar. 1971): "Brain-Child to the Dark Tower Came"Captain America (vol. 1) #135 (Mar. 1971): "More Monster Than Man"Daredevil (vol. 1) #74 (Mar. 1971): "In the Country of the Blind!"The Forever PeopleThe Incredible Hulk (vol. 2) #137 (Mar. 1971): "The Stars, Mine Enemy!"Justice League of America (vol. 1) #88 (Mar. 1971): "The Last Survivors of Earth!"The New Gods (vol. 1) #1 (Mar. 1971): "Orion Fights for Earth!"Nick Fury, Agent of S.H.I.E.L.D.Sgt. Fury and His Howling Commandos (vol. 1) #85 (Mar. 1971): "Every Man My Enemy"Sub-Mariner (vol. 1) #35 (Mar. 1971): "Confrontation!"Superman's Pal, Jimmy Olsen #136 (Mar. 1971): "The Saga of the D.N.Aliens"Thor (vol. 1) #186 (Mar. 1971): "Worlds at War!"