I just liked the original skateboard chase better and it seemed like they just ran out of ideas so they rehashed it with hoverboards and it was just less effective in my mind. Far less effective.

Wells was Jennifer in 1 and Shue was Jennifer in 2 & 3. However, bear in mind that Shue was supposed to be Jennifer throughout the series. However, just before filming was to begin on 1, a family member had been either badly injured or killed in an accident and she was replaced by Wells. Also, IMDb says that when filming for BTTF 2 began, it was discovered that Wells had disappeared from the acting scene back in 1987 for "undisclosed reasons" whatever that means.