If there's no involvement from the original stars it sounds like another alien invasion film with only the title making it an Independance Day sequel. Nothing about the end of the original leads organically into a sequel and it's not like there are any story strands to continue.
All that said, I'm still looking forward to it. Who doesn't like a mega-budget alien invasion film?
Independence Day was an overblown let down. A weak idea strung together with set-pieces ruined by the trailer.
Pah, no thanks. Get some new ideas Hollywood.