Kara (Melissa Benoist) will show an almost immediate, unconditional love for her cousin, and that won’t sit well with Alex, who in turn feels taken for granted and overlooked whenever Kal-El shows up.
While speaking with EW about the upcoming season of Supergirl, Andrew Kreisberg opened up regarding how Superman’s arrival will affect other characters on the series.
As it turns out, Alex Danvers isn’t entirely fond of the Man of Steel; he’s family, but he can get under her skin.
It’s definitely an emotion that anyone with siblings can understand, and it’s going to establish a distinct conflict between Alex and Kara that will take some time and effort to overcome.