Agent Reign

Agent Reign is the femslash ship between Alex Danvers and Sam Arias on CW series Supergirl.

Canon
Alex meets Sam for the first time at the unveiling of the Supergirl statue. Alex talks to Sam's daughter Ruby and they have a great moment, Alex complimenting Sam on her great daughter. They later become friends through Kara and start hanging out as a group. Alex quickly bonds with Ruby and spends time with her at gatherings. When Sam has a business trip, an injured Alex offers to babysit and helps Ruby with a school bully. Alex is there for Sam when she realises that she's been losing time and goes with Sam to LCorp to run an MRI scan for her.

The images don't show anything and Sam opens up to Alex about how, like Alex, she's always been tough and forced to take care of herself and Ruby, plus everything else in life, on her own. Alex promises Sam that she won't let Sam close herself off to her and the other people who care about her, like Kara and Lena. Alex also playfully gives Sam a lollipop. Inspired by Alex's support, Sam feels okay to tell Kara and Lena what's been going on and the three women promise Sam that they are there no matter what in a beautiful moment.

Fanon
After the Sanvers break up, shippers were split into two groups. Those who thought that the two would get back together, and those that didn't. Those in the latter group thought that Alex would end up getting a new love interest. Sam's introduction around the point of the break up mixed with Alex wanting to be a mom (which Sam is), caused many too ship the two. Although it currently isn't at the height of Sanvers, many still ship the two, especially the more they interact.

Fandom
AO3

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