Critters eventually went (back) to space too. In fact, almost any horror movie franchise will eventually head to the stars if it lasts long enough. Except for Alien, which started out in space and ended up back in a normal Earth town for Alien vs. Predator: Requiem.
Home Alone 2: Lost in New York was basically exactly the same movie as Home Alone, just set IN NEW YORK! Even the scary neighbor got a direct counterpart.
This was even lampshaded by Harry, who mentioned that Kevin threw two paint cans the last time they tried to climb up a flight of stairs, and saw it coming. Unfortunately for them, the second time around, a sewer pipe followed immediately afterward.
Knightriders: According to an interview in American Film, George Romero was having trouble selling a picture about King Arthur, until he exclaimed "I bet if I put the knights ON MOTORCYCLES! and added a rock soundtrack, you'd be interested."
Machete originally ended with the narrator declaring "MACHETE WILL RETURN... IN...MACHETE KILLS!AND...MACHETE KILLS AGAIN!" During the runup to Machete Kills, Robert Rodriguez claimed that the third movie had been retitled: "MACHETE KILLS AGAIN IN SPACE". A lot of people thought he was kidding. These people were wrong. The second movie opens with a ludicrous and clearly fake trailer for "Machete Kills Again in Space", and then ended with Machete actually pursuing the villain into space.
'90s Fox miniseries White Dwarf is an almost scene-by-scene remake of Kurosawa's Red Beard, with an added conspiracy subplot, IN SPACE.
Zathura is JumanjiIN SPACE! Literally; in the story (by the same author) on which it is based, Zathura is the value-added bonus game on the reverse side of the Jumanji board (in the same way many checkerboards have a backgammon board on the back).