Warning! SPOILERS for Better Call Saul season 6, episode 7.
What happens to Kim in Better Call Saul is perhaps the show's biggest mystery, and one possible answer is that she is working for Gus during the events of Breaking Bad. As Better Call Saul approaches its ending, the fate of the characters that are not in Breaking Bad is as important — if not more so — than the story of how Jimmy McGill becomes the Saul Goodman that audiences have known for so long. Most of those fates have already been revealed, and they were as tragic as someone could expect from the Breaking Bad universe.
Most recently, the shocking Better Call Saul mid-season finale saw Lalo killing Howard, proving once again that the only characters who are safe on the show are the ones that appear in Breaking Bad. However, that does not mean that Kim Wexler necessarily has to die before the end of Better Call Saul. In fact, killing Kim after the deaths of Chuck, Nacho, and Howard could come off as uninspired – not to mention it would be hard to believe that Jimmy would be able to move on, even with the help of Saul Goodman's persona. That said, some explanation has to be given as to why Kim is not in Breaking Bad.
Related: Better Call Saul S6 Casting Creates A Breaking Bad Universe Paradox
There is no shortage of theories regarding where Kim is during Breaking Bad. Many believe that Kim dies in Better Call Saul or that she leaves Jimmy right before he fully embraces the Saul Goodman persona. However, there is also the possibility that Better Call Saul retcons Breaking Bad on some level and reveals that Kim was there the whole time. Should that be the case, then one possible future for Kim is that she starts working for Gus Fring, offering the Breaking Bad
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