This review contains MODERATE SPOILERS for “Identity,” the seventh episode from “Smallville’s” eighth season.“Smallville’s” eighth season is dedicated to transforming Clark Kent into his crime fighting alter-ego (only without the blue tights and red cape). Moving him to Metropolis and setting up shop in The Daily Planet was the first phase and “Identity” moves another step closer with rumors of a super-hero patrolling the Metropolis streets.For the first time, Aaron Ashmore has been given an arced story of real substance to work with as he tries to identify the mysterious savior, justifying the inclusion of Jimmy Olsen’s role on the series beyond a love interest for Chloe (Allison Mack). The real thrill of “Identity” though is the end setup of Oliver (Justin Hartley) repaying his debt to Clark …