Great ad for Big Jim's P.A.C.K. from 1976, drawn by Kirby. At least I think it's Kirby, it was mid-70's so it could have been Rick Buckler or someone. There are elements in there that seem non-Kirby.
I had Dr. Steel, he was the coolest and he beat the crap out of GI Joe.
Atlas of the DC Universe Extras: More Places
2 hours ago