In a recent article in Empire Magazine, Winter Soldier Director Anthony Russo spilled the beans on a number of "easter eggs" included in the movie;
Anthony: “Did Danny beg us to be in the movie? I think we begged him! We love Easter Eggs. When Redford opens the fridge, there’s a
Newman’s Own dressing in there. Then there's the gravestone at the end
The answer is probably both.
The many universes theory would suggest that there are not only 7 timelines, but an infinite amount.
This would include ones where Peirce has a sudden heart attack in his chair before the dice actually lands, or the pizza delivery guy crashes before he gets to the house so the opportunity for the dice roll never even exists.
I would imagine so.
It's worth remembering that a small zombie uprising inside Greendale at Halloween is actually canon in Community, so it isn't like other science fiction ideas have't been used legitimately in the past. Between that and Abeds seemingly heightened awareness of the reality they live in (Abed is very aware that he lives in a TV show), it is ...