AsSupergirlwhizzes into season 5 (and toward 100 episodes!

),Melissa Benoistsays shes proud of her heros journey.

The producers hope to repeat their success by building the upcoming season around another strong and timely theme.

Melissa Benoist as Supergirl

Credit: Carlos Serrao for EW

It speaks to a lot of the stuff the characters will be going through.

The seasons ethos was partially born out of Lena Luthors (Katie McGrath) arc.

I was devastated that it was Lex Luthor that told her.

Melissa Benoist as Supergirl

Carlos Serrao for EW

That was such a shot in the heart to Lena, a character that my character loves so dearly.

I think their relationship is singular already because theyre such close friends and you get to explore that.

This is only going to make that conversation a little more complicated.

EW August 2019 Cover - Melissa Benoist as Supergirl

Carlos Serrao for EW

Whenever we see him human, itll be different.

Its an organization that tries to move the needle to protect the planet.

The showrunners, however, arent really following either of those arcs.

Supergirlreturns Sunday, Oct. 6 at 9 p.m., followingBatwoman, on The CW.