Brand loyalty is overrated and Tony Stark got the memo because he's ditching his Audi R8 for this mysterious Acura roadster.

Snapped during the filming for The Avengers, which will be released next year, the bespoke convertible previews what a potential R8 competitor could look like.

Before you get too excited, Acura spokesman Gary Robinson told Autoblog the vehicle is a "one-off, fictional car that was made just for the movie and will not be produced." He added "we are studying the development of a new sportscar, but we can't say any more about it at this time."

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