Marvel: in Gotham, at the Beginning, He Transformed into Iron Man and Killed the Joker

Li Duan traveled to the crime city "Gotham City" and became a Gotham policeman to join the team that put down the Arkham riots. The cunning and cunning Joker slaughtered the police force, and his schemes were forcibly suppressed in Batman. At a critical moment, Li Duan awakened the "Marvel Super Hero" system. [Loading the novice gift package 30%...50%...100% For you] [Ding! Loading successfully! The host has successfully obtained the Iron Man Mark 42 armor experience card for one hour, and the combat power has been increased by 999+] "It's my turn next, clown." Everyone's eyes focused on it. The armor is covered with lines full of technological sense, and the chilling aura is clearly revealed. Don't be angry and be proud! Li Duan was wearing a Mark 42 uniform, with his right hand raised in front of him, his palm pointed at the clown lying on the ground in front of him. The violent energy focused, and everyone was stunned. One hit to kill! (PS: In Gotham City under the DC main universe, the protagonist has his own Marvel superhero system.)