Supergirl (2005) #57
an issue of Supergirl (2005) by DC Comics
Issue description
Showdown at Bizarro World! How can the Girl of Steel defeat a threat that has already taken down an entire planet of Bizarros? And what about BizarroGirl - can Supergirl trust her twisted mirror self to help out? Well, if Bizarros are opposites, and Supergirl is noble, brave and heroic… uh … good luck defeating the monstrous intergalactic foe by yourself, Kara!