Batman: The Dark Knight Returns, Part 2 (2013)

Trivia: In the batcave, the batmobile lifted by Bruce is the design from Tim Burton's Batman and Batman Returns films.

Trivia: While Superman is fighting Batman inside a building, a poster of Christopher Reeve as Superman can be seen on the wall.

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Batman: He'll still be weak, between the nuke and so little sunlight. Just how weak we'll see when he finds my first surprise.
Robin: Yeah, but how long you expect to last against him?
Batman: Long enough.
Robin: Boss. I'm trying to get the plan here. I mean, you gonna die tonight or what?
Batman: Figure I will.

Bruce Wayne: What is it you want, Oliver?
Oliver Queen: A piece of him. The schoolboy. I always knew it would come down to the two of you someday. The world's not big enough for the both of you. Doesn't have to be a big piece. Just count me in, for old times' sake.

Batman: I didn't have to go easy on you. A different binding agent, a stronger mix... I want you to remember that. I wanted to remind you to stay out of my way. In all the years to come, in your most private moments, I want you to remember the one man who beat you.

Question: How does the Joker avoid dying from his own laughing gas in the TV studio?

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