Captain America #100 comic book from Marvel Comics Group
I always loved this cover but not for the obvious reasons.  If you look at Cap, Black Panther and Namor, you will see them floating above the ground.  It always made me think of it as the Avengers in zero gravity.

       
 

This is a scan of an old comic book. This item is not for sale. But you can find it on ebay. Click below to go to ebay and search!