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In 1983, the fast food chain Hardee's had a series of kid's meals featuring Marvel Super-Heroes.  Each week, a  different hero was featured on the box and included (with a hamburger drink and fries) was a 3-D comic strip with the origin of the hero.  The comic strip was to be inserted into a slot in the back of the box and seen in 3-D when viewed through the box's front windows.  The Marvel Super Heroes that were featured included:
Spider-Man
Fire-star
Iceman
Captain America
Spider-Woman
The Incredible Hulk