30 sources
2000 AD
Airplane! (1980)
Captain America (vol. 1) #247 (July 1980): "By the Dawn's Early Light!"
Daredevil (vol. 1) #165 (July 1980): "Arms of the Octopus"
The Defenders (vol. 1) #85 (July 1980): "Like a Proud Black Panther..."
The Flash (vol. 1) #287 (July 1980): "Dr. Alchemy and Mr. Desmond!"
Ghost Rider (vol. 2) #46 (July 1980): "The End of a Champion"
Green Lantern
Howard the Duck
Justice League of America (vol. 1) #180 (July 1980): "A Beautiful Evil"
Marvel Spotlight (vol. 2) #7 (July 1980): "Tears for the World Called Heaven"
Marvel Team-Up (vol. 1) #95 (July 1980): "...And No Birds Sing!"
Marvel Two-in-One (vol. 1) #65 (July 1980): "The Serpent Crown Affair! Part Two: Serpents from the Sea"
Master of Kung Fu #90 (July 1980): "Triumphs of the Flesh"
The Micronauts (vol. 1) #19 (July 1980): "Divided They Fall"
The New Adventures of Superboy
Peter Parker, The Spectacular Spider-Man #44 (July 1980): "The Vengeance Gambit!"
ROM #8 (July 1980): "Deathwing!"
The Savage She-Hulk #6 (July 1980): "Enter: The Invincible Iron Man"
Spider-Woman (vol. 1) #28 (July 1980): "That Scotty Should Not Die!"
Thor (vol. 1) #297 (July 1980): "The Sword of Siegfried!"
The Uncanny X-Men (vol. 1) #135 (July 1980): "Dark Phoenix"
The Warlord