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That would be... Too dramatic, I think I would rather have Bruce Wayne finding out he is his own father and that he shot himself in front of himself, than that theory becoming a reality. Also, why do we need to use spoilers for Under the Red Hood, both comic and animated movie are out for a long time now.
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“By definition, you have to live until you die. Better to make that life as complete and enjoyable an experience as possible, in case death is shite, which I suspect it will be.”