It's hard to imagine Back to the Future without the DeLorean, but Doc Brown's time machine was almost something completely different.

A Back to the Future Part II fan theory suggests that Doc Brown could've been up to something other than he originally implies in the film.

A MAN who collects DeLorean cars has transformed the classic Back To The Future vehicles into a monster ... No Butter M3GAN 2.0 - Official Teaser Trailer ...