Wasn't there a story where Alt-C and Wells went back in time, saved her and brought her forward to after Alt-C stood in for Clark while he was stuck in the floating cube? That should be The Time Traveler\'s Wife by ML Thompson. 
"My wife's love is what unites Krypton and Earth in my heart. Without it, without her, I truly would be in hell."
~ Superman: Man of Tomorrow #15
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