The X-Men #28 (1967)

If you've got a copy of The X-Men #28 (1967) in your collection, you might be sitting on a valuable piece of comic book history. This issue tells the tale of Banshee, who starts off appearing as a villain when he's teamed up with Ogre, who is working for Factor Three. Banshee even steals a priceless painting, but the X-Men are on the case. There are some epic battles, including an unsuccessful kidnap attempt on Professor X himself, and it's revealed that Banshee was actually being controlled by Ogre's tech. If you've got this issue and you're curious about its value, contact us at Comics Into Cash - we offer free appraisals and fair prices for collections. Who knows, you could be looking at a big payday.