Aug. 14, 2013 | 6:00 a.m.
In the three years since he first slipped into green Lycra to portray Kick-Ass — an awkward teen turned wannabe superhero — much has changed for English actor Aaron Taylor-Johnson. He jumped from British TV heartthrob to American movie stardom, became a father and began to pop up in casting conversations about one of Hollywood’s juiciest roles: Christian Grey in the adaptation of E.L. James’ erotic bestseller “Fifty Shades of Grey” (which, not incidentally, will be directed by his wife, Sam Taylor-Wood). When “Kick-Ass” was released in 2010, Taylor-Johnson was more indie film darling than caped crusader, having starred in the romantic drama “The Greatest” and “Nowhere Boy,” a John Lennon biopic, both of which played at Sundance. “Kick-Ass” initially didn’t look like a breakthrough role; the movie took in a fair $96 million worldwide on a $30-million production budget. […]