Supergirl -- “Phantom Menaces” -- Image Number: SPG602fg_0009r.jpg -- Pictured: Melissa Benoist as Supergirl Photo: The CW -- © 2021 The CW Network, LLC. All Rights Reserved.

The latest Supergirl episode photos show that Kara will be making a new ally.

Supergirl episode 603, “Phantom Menaces,” will see Lena and Lex battling for control of Luthor Corp.

BATTLE OF WITS — Supergirl (Melissa Benoist) makes a new ally. Lena (Katie McGrath) and Lex (guest star Jon Cryer) battle for control of Luthor Corp

Supergirl episode 603 airs on April 13, 2021.


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