Batman was fighting Joker with a Batarang. He missed joker with two Batarangs but not with one. Also Lex Luther was there and Superman. And Superman tried to knocked down Lex Luther and Joker but quickly they took out Kryptonite and made him weak.

Batman was fighting Lex Luther and Superman was fighting too. And Robin too and Robin was trying to hit Lex Luther but quickly Lex Luther put on his jet boots and he flied away. Then he blasted out of the window. The building belonged to Batman.