Special celebratory 50th issue! Sterling Gates and Jamal Igle reunite to tell an epic, oversized battle royale between the Girl of Steel and a mysterious, diabolical new foe! Still reeling from last issue's harrowing events, Supergirl is put to the test when she uncovers a terrible secret about her friend and confidant, Lana Lang. Plus! A look into a day in the life of the Girl of Steel written by Jake Black and Supergirl herself, actress Helen Slater! Featuring a cover by the man who redefined Supergirl for the 21st century, Michael Turner, SUPERGIRL #50 is an extra-sized extravaganza you won't want to miss!