Talk about going to bed with a beauty and waking up with a beast… Disney has to be feeling a little buyer’s remorse this week after get a letter from the heirs of Jack Kirby. Obviously fueled by the success of the Jerry Siegel heirs and the rights to Superman, the Kirby heirs have served Disney with 45 letters that claim copyright terms will expire in 2014. This includes, The X-Men, Thor, Captain America, the Fantastic Four, Iron Man, the Hulk and many more. The major Marvel characters not a...