Origins of the Defenders --

Avengers 3
Fantastic Four 27
Tales to Astonish 93 (with material from Tales to Astonish 92)
Tales to Astonish 100
Doctor Strange 178 and Avengers 61
Incredible Hulk 118
Doctor Strange 183, Sub-Mariner 22 and Incredible Hulk 126
Daredevil 062
Avengers 83-84
Sub-Mariner 34-35
Incredible Hulk 142

Should make a nice sized Trade...