Marvel Movies: Mutants And Inhumans Are Not The Same

One problem with the Marvel Cinematic Universe is that it can't include the term  'mutants' since  Fox holds those rights - even for the non-"X-Men" mutants.

In the comics, the concept of 'Inhumans' is taking hold-The current thinking is that  the mutant characters, such as Wanda Maximoff, a.k.a. Scarlet Witch (Elizabeth Olsen) and her twin brother Quicksilver (Aaron Taylor-Johnson)  in writer/director Joss Whedon's superhero team sequel "The Avengers: Age of Ultron" will be renamed 'inhumans'.

Asked about this by The Huffington Post, Marvel President Kevin Feige says:

"As it relates to Scarlet Witch and Quicksilver? No. No, no, no. Inhumans is something that we are definitely thinking about and we think there’s great potential there for a great movie. But, no, no — we have not linked those two [concepts]."