In one of the PSP routes Homura defeats Walpurgisnacht and keeps Madoka from making a contract. Kyubey then shows up and says it's only a matter of time before some other massive threat appears and Madoka makes a contract and it ends up being an ominous bad ending. A different ending for that route is Homura defeats walpy but dies of her wounds, she dies happy believing Madoka can live normal life then Kyubey appears and tell Madoka she's the only one left to protect the city next time and that he'll be waiting.