Story by Bob Gale, John Barber. Art by Marcelo Ferreira, Various. Cover by Marcelo Ferreira.
Spring, 1986. Marty McFly, depressed because life without Doc Brown is just plain boring, receives an alarming letter from Clara in 1893: Doc has disappeared in the time stream and Marty is the only one who can find him. The first ongoing BTTF storyline from IDW starts here. Collects issues #6-11.