Hello, I'm an expert in comic book lore and superhero narratives. When discussing a character like Batman, it's important to note that his age when he starts his crime-fighting career can vary depending on the specific storyline or interpretation. However, traditionally, Bruce Wayne becomes Batman in his mid-to-late twenties after returning to Gotham City following his training around the world.

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He returned ot Gotham at the age of 25 and started then. The first Robin (Dick) came soon after and was 12 when Bruce was 26. He left Batman about 6 years later to become his own hero at 18, making Bruce 32.read more >>