Complex sentence: Ace then went on to play a role in defeating the resurrected Joker in', when he attacked the Joker in the climax of the movie and damaged the controls for the Joker's new satellite weapon system.
Split into simpler sentences: Ace then went on to play a role in defeating the resurrected Joker in'. In the climax of the movie, he attacked the Joker and damaged the controls for the Joker's new satellite weapon system.