Cable and Nightcrawler died in that time where Scarlet Witch changed 616 universe into her reality. Magik was dead in the 616 universe when Scarlet Witch created the House of M, saving a life of Magik under her reality manipulation. It could be a possibility that Nightcrawler and Cable are alive in the 616 universe naturally even if someone killed Scarlet Witch or someone depowered Scarlet Witch's powers.
Scarlet Witch's reality powers
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