▁title ▁multiple ▁times , ▁he ▁is ▁prepared ▁to ▁ret ire , ▁but ▁the ▁number ▁one ▁cont ender , ▁James ▁" Cl ub ber " ▁Lang ▁( play ed ▁by ▁Mr . ▁T ), ▁challeng es ▁Rock y ▁public ly . ▁Rock y , ▁after ▁dealing ▁with ▁Mic key ' s ▁heart ▁attack ▁before ▁the ▁fight , ▁is ▁over power ed ▁by ▁the ▁stronger , ▁hung rier ▁Lang ▁and ▁is ▁knock ed ▁out ▁in ▁the ▁second ▁round . ▁Mic key ▁passes ▁away ▁after ▁the ▁fight , ▁and ▁former ▁rival ▁Apol lo ▁Cre ed ▁steps ▁in , ▁training ▁Rock y ▁to ▁fight ▁in ▁Cre ed ' s ▁old ▁style ▁( in ▁his ▁old ▁Los ▁Angeles ▁g ym ) ▁and ▁to ▁use ▁more ▁gu ile ▁and ▁skill . ▁In ▁the ▁rem atch , ▁Rock y ▁out box es ▁Lang , ▁t iring ▁the ▁stronger ▁f ighter ▁out ▁and ▁eventually ▁knock ing ▁him ▁out ▁in ▁the ▁third ▁round . ▁After ▁the ▁fight , ▁Apol lo ▁calls ▁in ▁his ▁" f avor " ▁for ▁training ▁Rock y , ▁which ▁is ▁a ▁one - on - one ▁match ▁between ▁the ▁two ▁of ▁them ▁with ▁no ▁cam eras , ▁no ▁media , ▁just ▁man ▁vs . ▁man ▁in ▁the ▁g ym . ▁The ▁film ▁ends ▁as ▁they ▁each ▁throw ▁their ▁first ▁p unch . ▁ ▁Rock y ▁IV ▁( 1 9 8 5 ) ▁ ▁After ▁winning ▁back ▁his ▁title ▁from ▁Club ber ▁Lang , ▁Rock y ▁continues ▁to ▁live ▁the ▁good ▁life , ▁now ▁that ▁he ▁and ▁Apol lo