It was definitely when the big comic book heroes really came in to the spotlight. Huge Jackman, Henry Cavill, later Chris Hemsworth - all clearly 10kgs of muscle above their normal size.Sorta. We diverged from that in the 1990s to more normal looking action stars. Then the trend reversed itself around 2012, with Dwayne Johnson revealing a new and improved physique to relaunch his career in Journey 2 Mysterious Island. Now it seems you have to be really jacked up to be a viable action star.