So, this is the Beta Supergirl rewrite, if it works out well I'll use it for the actual story, but till then it's just a test to see about working on an extended universe. So, first and foremost, Supergirl and The Flash and all future heroes are on the same earth. Since Flash came first here he and FIRESTORM will be the only ones from The Flash: Rewriting Fate that will be mentioned, but only as legends. Anyways here is Supergirl: Beta 000000000000000000000000000000000Krypton's heart burned for her children. Overmany centuries they had harvested her resources, destroyed her lands and natural beauty. Of course she loved them, what mother doesn't love her children, but they were killing her. Slowly but surely, she would be dead.
Brothers Jor and Zor-El had both been born to be scientists. They had been conceived through the DNA database in the hall of lineage and given the programming they would need for their given profession. But they had something else that was not imbred in them, but given by their home mother, compassion and love. As time passed they had gained children of their own, very unusual for Krypton's current time because they had decided, with their life-mates, to conceive children naturally. It was a dangerous desire and the brothers decided that this would be done over time. Zor and his wife, Alura, agreed to be the first; Jor and his wife Lara were next. So, in a secret place, far from the city, two children were born, the first natural conceptions and births on Krypton for more than a thousand years. Zor-El and Alura named their daughter Kara, Jor and Lara's son was named Kal. Both children were destined to bring forth a revolution like no other, but as it always does in the long run, fate had a different destiny in mind.
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"Zor listen to me, your readings are wrong, the decay rate of the planet core has significantly increased. There is simply no time to save our entire family". Zor-El looked at his brother, his friend, his lifelong companion and partner. He could see the truth of the words in his eyes. "Then what do you suggest Jor"?
"The children. They were to be the salvation of Krypton. Perhaps they still can. I have searched the stars and found a suitable planet in the galaxy of Gaean. There the planet's yellow sun will strengthen them". Jor showed his brother his findings, and Zor took them with a look of astonishment. "Jor, they will be like gods to these people. They will be different, hunted even".
"But they will have a chance to live, which is more than what they would have on Krypton".
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13 year old Kara Zor-El, more than anything in the world, loved her baby cousin Kal. From the moment she first held him she felt such a kindred spirit in him she immediately and irrevocably fell in love with him. So, it was, when the time came, she knew above all else that she would do whatever it took to protect him. As she held him, his sweet face contorted in cries and sobs as his mother handed him to Kara for safe keeping. "I love you, my sweet Kal. May Krypton's heart survive forever within yours". With thise final words she released her son. Kara took him and layed him in his pod. Time restraints had limited the El brothers to only being able to construct two pods, one for Kara and another, smaller one for Kal. building anything bigger would have cost time and secrecy. "Remember Kara", her father said, taking his daughters hands in his, "when both pods have cleared the system your navigation system will lock onto Kal and from there you will lock with his pod and together travel to this new planet. Do you understand"? Kara fought back the tears that threatened to break free. She would not let the last time she saw her father be blurred by tears. She wanted to remember every detail of his kind, gentle face. "I understand father". And so, for the last time, Kara hugged her father goodbye.
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Twenty-five years later*
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Martha Kent smiled as she watched her husband Jonathan and their son Clark walk along the fenced in pasture. They had walked that path so often there was now a rutted path where the pair now walked. The Kansas sky was overflowing with deep reds and purples as the sun was setting. Beside her sat Lois Lane, Clark's long time love and, as she so proudly stated, her future daughter in-law. "So, Lois," Martha began, not hiding her intentions, "how soon am I going to be getting some grandkids". Lois laughed softly. "I don't know Martha. Clark and I have talked about it but, we haven't talked about when. We both want kids, but... I don't know. We want to take some time as husband and wife before we have kids, but, I see him volunteer weekends to work with kids at the homeless shelter and I just know he's going to be an amazing dad. I'm not sure I can make him wait".
"Trust me, you can make that boy do anything you want, he'd walk through a Kryptonite fog and face a thousand armed men for you".
"I know, I guess I'm just not comfortable with telling him that I want kids later".
"Well, tell you what, you tell him that, and he'll be happy with whatever choice you make, because he loves you. I know because I'm his mother", she said with a wink.
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Time passed slowly in the Phantom Zone. But Kara Zor-El didn't notice. Fortunately the shrapnel from Krypton's implosion/explosion hadn't damaged her pods chryostasis systems. she was comfortably sleeping aeay the twenty-five years her cousin had lived on earth without her. But now she was in orbit around the planet, and lost time was about to be made up.