Black Kryptonite is one of the deadliest forms of Kryptonite in existence, and now it's back and worse than ever.

Supergirl has just debuted a twisted new form that officially reintroduces one of her most bizarre and wild villains to ...

Red Kryptonite Supergirl's anger fueled her already powerful abilities as Supergirl, making her one of the most dangerous villains. Lex Luthor Was More Than Just a Genius Villain ...

The connection between Superman and Kryptonite is so firmly established in American culture that “Kryptonite” has become ...

Now, on the one hand, it's easy to understand why Lena would want to create kryptonite and not necessarily tell her pal Supergirl about it. Earth-38 has had to deal with rogue and/or temporarily ...

About halfway through the pilot for Supergirl, television’s latest adaptation of a comic book property for prime-time, Winn Schott (Jeremy Jordan) designs and creates several costumes for his ...

But don't expect any steamy make-out sessions in Kara's future. Based on the episode description, Supergirl's exposure to Red Kryptonite will make Kara turn on her friends and the citizens of ...

Supergirl’s struggling, though; the Worldkillers’ dark magic has created an impending eclipse that causes her to momentarily black out and travel to the cave with Sam.

Tonight, Supergirl took a page out of Smallville‘s handbook and introduced Red Kryptonite, a form of meteor rock that turns good Kryptonian boys and girls bad.Kara comes in contact with this ...

Supergirl is the newest to debut on the network, and it has an edge on the other three series in some major ways. ... Green kryptonite makes her weak, and red kryptonite makes her crazy.

"Supergirl" introduced blue kryptonite in last week's episode, "Bizarro," so bringing in red kyptonite and having The Flash fight against Kara would actually be pretty wicked cool.

A group of criminals found “Supergirl” actress Laura Vandervoort’s kryptonite when they swiped her identity in a massive international scam, authorities said Friday. The 31-year-old actress ...