So many unknowns. I'd be surprised if the fixtures are confirmed this week now.
Big question is what happens to Worcester's spot. Do Lions and Benetton get two five point, 28-0 wins credited to them, or does a sixth South African side replace them. Logistics wise, this isn't as undoable as it sounds. Worcester were due to host the Lions on the first weekend. If a South African side replaced them and the match was played in SA, then it would save the Lions travelling to Europe for one match (they're at home the weekend before and the weekend after). Cheetahs are playing their European home games in Parma, so I'm sure Benetton would prefer an away game in Italy to travelling to Worcester.