 The Legion of Super-Heroes assist Clark in extracting Brainiacfrom Chloe and taking him to the future  , but are too late to stop him from releasing Doomsday.
<meaning-changed>  The Legion of Super-Heroes assist Clark in extracting Brainiacfrom Chloe and taking him to the future  , but are too late to stop him from releasing Doomsday.
 The Legion of Super-Heroes time-travel and assist Clark by short-circuiting and magnetically extracting Brainiac's nanites from Chloe, and taking him to the future , but are too late to stop him from releasing Doomsday.