Jimmy Olsen proves himself as Earth's Mightiest Hero in Batman/Superman #27, surprising everyone including the powerful Doom-Mite. Mr. Mxyzptlk creates the 'Olsen Squad' to combat villains ...

Superman may be the Earth's most renowned Kryptonian, but he's far from the only one, as he has a family of superheroes - including Supergirl and Superboy - by his side to aid him in battle.