However , as mentioned in JSA Classified # 1 , her age at arrival has now been retconned to about eighteen in post-Crisis continuity .
Originally , by the time she arrives on Earth , Kara is shown to be in her early twenties .
As mentioned in JSA Classified # 1 , Kara 's age at arrival has now been retconned to about eighteen in post-Crisis continuity .
Originally , by the time she arrives on Earth , Kara is shown to be in her early twenties .