Kid Flash
Apparently killed by the Rogues , Bart was resurrected in the 31st century by Legion of Super-Heroes member Brainiac 5 and retook the mantle of Kid Flash . 
<triplet> Legion of Super-Heroes <subj> Brainiac 5 <obj> has part <triplet> Brainiac 5 <subj> Legion of Super-Heroes <obj> member of