Kicking off a new 5-issue storyline that will rocket readers all the way to the monumental SUPERMAN #700! Mon-El makes his triumphant return to Metropolis with a new look and a determined manner just in time to combat the unstoppable fury of Bizarro. But with his powers phasing in and out, will the new Mon-El be able to save his city even with the help of the Guardian and Metropolis's Science Police?