Kobra
(1976-1978)
The Serpent and the Twin
- Kobra Volume 1 #1
- Kobra Volume 1 #2
- Kobra Volume 1 #3
- Kobra Volume 1 #4
- Kobra Volume 1 #5
- Kobra Volume 1 #6
- Kobra Volume 1 #7
The Dead on Arrival Conspiracy
- DC Special Series Volume 1 #1
The Metropolis Serpent Strike
- Superman Volume 1 #326
- Superman Volume 1 #327