We have girl clones. We have boy clones. We have a baby on the way. We have a wayward sister. Let's bring it on!
She's such a special snowflake that both of these worlds want to recruit her and would do anything to get her. And of course, they both send super, super HAWT guys after her because women obviously only make decisions according to their lady boners.
*Sigh* I swear, I've read some Mary Sue's before, but this character may be the Mary Sue-est Mary Sue to ever Mary Sue.