(Source: sacredkarcram, via man-thing)
I thought of this while coloring that last picture.
If Marty McFly can go to the future, pick up a hoverboard and instantly know how to work it, but can go into the past and not understand that Pepsi Free doesn’t exist…
Then Steve can figure out ipod/gameboys/computers/yourmom/flyingagoddamned jet.