In Homura's many, many time loops, there were a few timelines that stuck out from the rest. There was the timeline where Oriko Mikuni first saw Krimeheld Gretchen destroy Mitakihara, or the one where Kyoko and Mami got to meet again, and they tried to kill each other.
But all of the timelines left a certain green-haired girl is Locked Out of the Loop. Well, almost all of them. This is the timeline where Hitomi gets caught in a labryinth with Madoka and Sayaka. This is the timeline where she finds out that magic and miracles are real, and the ultimate fate of the girls who make them happen.
This is the timeline where Hitomi Knows.
Of course, Madoka's still doomed, so don't get your hopes up.