That's easy. He was originally going to use the Archie Comics super heroes and do a sort of mystery thriller.
son of a bitch!!! I didn't think anyone could possibly know that..you mother fucker

ahhhh...the archie comic super hero's, all those great characters just sitting in limbo, what I could do with them if I had time....and who is thier patriotic superhero that debuted a few months before Captain America-If I'm not mistaken. This guy was turned to stone in the 60's and restored in the 80's much like the cap storyline where he was frozen in the 40's and brought back in the 60's.