There was once a time when Bruce Wayne’s ventures into videogames were the subject of derision and disappointment. For a long time, the Dark Knight only popped up in increasingly lacklustre beat-‘em-ups and movie cash-ins that absolutely squandered the licence. Yes, there was the occasional gem such as Ocean Software’s Batman, a quirky isometric adventure that gave DC’s greatest detective a pot belly and a cartoon scowl, or The Caped Crusader, a side-scrolling classic designed to resemble the flipping pages of a comic book, but they appeared on home computers way, way back in the late 1980s. What they lacked…