▁Short ly ▁after ▁its ▁construction , ▁Met ron ▁appointed ▁H our man ▁as ▁his ▁he ir ▁and ▁entr usted ▁him ▁with ▁the ▁Wor log og . ▁ ▁The ▁Wor log og ▁was ▁an ▁ancient ▁artifact ▁containing ▁a ▁map ▁of ▁space / time ▁from ▁Cre ation ▁until ▁the ▁End ▁of ▁the ▁Un iverse ▁in ▁mini ature . ▁ ▁The ▁Wor log og , ▁in ▁form ▁of ▁a ▁stone , ▁had ▁been ▁lost ▁for ▁centuries ▁on ▁Earth ▁until ▁it ▁was ▁un ear th ed ▁by ▁a ▁Lex Cor p ▁requ is ition ▁team ▁and ▁was ▁dub bed ▁the ▁Phil os opher ' s ▁Stone . ▁Lex ▁L ut hor , ▁not ▁fully ▁understanding ▁the ▁stone , ▁used ▁it ▁to ▁manipulate ▁the ▁al ien ▁J em m ▁with ▁his ▁In just ice ▁Gang ▁against ▁the ▁Justice ▁League ▁of ▁America . ▁The ▁Justice ▁League ▁( not ably ▁Bat man , ▁Mart ian ▁Manh unter , ▁and ▁Super man ) ▁defeated ▁L ut hor ▁and ▁as ▁Super man ▁stood ▁ready ▁to ▁destroy ▁the ▁Wor log og , ▁a ▁temporal ▁split ▁was ▁created . ▁ ▁W ere ▁Super man ▁to ▁seem ingly ▁destroy ▁the ▁stone , ▁the ▁villa in ▁Dark se id ▁would ▁be ▁able ▁to ▁conquer ▁and ▁sub j ug ate ▁the ▁Earth . ▁The ▁cor rupted ▁Met ron ▁of ▁that ▁future ▁tra ve led ▁back ▁along ▁the ▁tim eline ▁to ▁gather ▁a ▁group ▁of ▁Justice ▁Le agu ers ▁that ▁would ▁search ▁for ▁the ▁stone ▁so ▁that ▁it ▁would ▁( unknown ▁to ▁them ) ▁fall ▁into ▁the ▁hands