Detroit
From Super-wiki
Future!Dean tells Dean that Sam was in Detroit when he gave Lucifer permission to possess him5.04 The End
Lucifer informs Sam that he will eventually say yes to him and become his vessel 5.10 Abandon All Hope
Sam later becomes his vessel, but he eventually regains control and throws himself, Lucifer and Michel in the Cage5.22 Swan Song
Notes
5.04 The End and 5.22 Swan Song clearly illustrated two separate outcomes.
Major Similarities:
- Sam assented to Lucifer, and he did so in Detriot.
- The spread of the Croatoan Virus occurred.
- Bobby Singer died; however this wasn't permanent in 5.22 Swan Song because Castiel resurrected him.
Major Difference:
- The amount of humans infected with the Croatoan Virus.
- Samifer told Dean that he'll see him in fives years; we learn in 5.22 Swan Song that this is incorrect because the year is still 2010.
- Dean and Samifer don't meet at the garden.