Alice (Mia Wasikowska) is back in &amp;quot;Alice Through the Looking Glass,&amp;quot; the sequel to 2010&amp;#39;s &amp;quot;Alice in Wonderland.&amp;quot; Also back: Johnny Depp as the Mad Hatter, Tim Burton as the director and Lewis Carroll as the British author on whose works the films are based. It opens May 27. 