Batman and The Marvel Universe

This is a pretty simple one, admittedly. Originally when I started this project I was very strict. I only wanted to use DC character that were around during B&B's publishing years, so that all the covers would be ones that could actually have been. After a while I got a lot of request for Marvel characters, so I made this early cover to appease the requesters. Of course it was not long before I brought individual members of the Marvel universe in...