The greatest time-travelling comedy trilogy of the Eighties, and its comic book continuations.

Back to the Future
The 1985 film on Blu-ray
Back to the Future II
The 1989 film on Blu-ray
Back to the Future: Biff to the Future
Reprints Back to the Future: Biff to the Future #1-6 (January 2017 – June 2017).
Set in the alternate timeline created when Biff gets the almanac, takes place entirely within the film.
Back to the Future III
The 1990 film on Blu-ray
Back to the Future, vol.1: Untold Tales and Alternate Timelines
Reprints Back to the Future #1-5 (October 2015 – February 2016).
Back to the Future, vol.2: Continuum Conundrum
Reprints Back to the Future #6-11 (March 2016 – August 2016).
Back to the Future: Citizen Brown
Reprints Back to the Future: Citizen Brown #1-5 (May 2016 – September 2016).
Possibly non-canon, adaptation of the game of the same name.
Back to the Future, vol.3: Who is… Marty McFly?
Reprints Back to the Future #12-17 (September 2016 – February 2017).
Back to the Future, vol.4: Hard Time
Reprints Back to the Future #18-21 (March 2017 – June 2017).
Back to the Future, vol.5: Time Served
Reprints Back to the Future #22-25 (June 2017 – October 2017).
Back to the Future: Tales From the Time Train
Reprints Back to the Future: Tales from the Time Train #1-6 (December 2017 – May 2018).