Here's the way the 'Avengers' sequel dances around calling its 'X-Men' characters mutants

"Avengers: Age of Ultron" introduces us to two new characters, the Scarlet Witch and Quicksilver.  In the comics, the twin brother and sister duo (Wanda and Pietro Maximoff) are part of a large group of mutants in the "X-Men" franchise. The characters are in a unique position because they also happen to become Avengers. Because Marvel licensed the X-Men characters to 20th Century Fox for use in films back in the '90s, the two can't be referred to as such in Disney's "Avengers" film. One of the ...