In Batman Begins Bruce kept seeing the bats that scared him in the cave while watching opera with his parents and begged to go home. They went out the back way and were robbed and shot by Joe Chill.
In Zero Year Bruce snuck away to go to Park Row as a way to prove himself that he's not scared after he fell into the cave and watch the Zorro movie. He was found by patrolman Gordon and picked up by his parents. Then they decided to see the movie again that night and were shot on their way home.
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What do you think of this "I indirectly caused my parents' death" scenario?