r ous ▁ 8 5 3 rd ▁century . ▁Thus ▁he ▁arrived ▁at ▁the ▁Justice ▁League ▁Watch t ower , ▁where ▁he ▁would ▁serve ▁as ▁a ▁replacement ▁for ▁the ▁Mart ian ▁Manh unter ▁( who ▁was ▁on ▁a ▁temporary ▁leave ▁of ▁absence ). ▁Im medi ately ▁upon ▁his ▁entrance , ▁he ▁made ▁somewhat ▁of ▁a ▁temporal ▁s na fu , ▁by ▁asking ▁if ▁he ▁had ▁arrived ▁before ▁or ▁after ▁the ▁invasion ▁of ▁the ▁ 5 th ▁dimension . ▁ ▁He ▁arrived ▁at ▁the ▁Justice ▁League ▁Watch t ower , ▁having ▁sign aled ▁ahead ▁that ▁he ▁was ▁coming . ▁He ▁did ▁not ▁truly ▁fit ▁in ▁with ▁the ▁League , ▁however , ▁and ▁used ▁his ▁time - vision ▁on ▁multiple ▁occasions ▁to ▁skip ▁over ▁convers ations ▁he ▁de emed ▁unnecessary . ▁Event ually , ▁a ▁few ▁members ▁of ▁the ▁League ▁decided ▁to ▁call ▁him ▁on ▁it ▁and ▁decided ▁that ▁Bat man ▁would ▁be ▁best ▁to ▁talk ▁some ▁sense ▁into ▁H our man . ▁ ▁Although ▁anno yed ▁by ▁their ▁inter ference , ▁he ▁explained ▁to ▁H our man ▁the ▁worth ▁of ▁thinking ▁before ▁acting . ▁H our man ▁took ▁the ▁advice ▁rather ▁literally ▁and ▁used ▁his ▁time - vision ▁to ▁learn ▁the ▁history ▁of ▁the ▁Justice ▁League ▁through ▁Bat man ' s ▁experiences . ▁From ▁those ▁experiences , ▁H our man ▁decided ▁that ▁the ▁best ▁person ▁to ▁guide ▁him ▁through ▁his ▁personal ▁growth ▁was ▁the ▁former ▁mas cot ▁of ▁the ▁League , ▁and ▁normal ▁human , ▁Sn apper ▁Car r . ▁ ▁Solo ▁Series ▁H