The CW has released photos from next week’s episode of Supergirl, featuring the series debut of none other than Mr. Mxyzptlk!
He and Kara argue over how to get rid of Mr. Mxyzptlk, further straining their relationship.
Mon-El has seen beings like Mr. Mxyzptlk on Daxam and knows how dangerous they can be.
“When Mr. Mxyzptlk (guest star Peter Gadiot), a magical imp, shows up on Earth and declares his love for Kara, she tries to let him down easy, thinking him harmless.