IGN: Warning: this article contains spoilers for Marvel's Agent's of S.H.I.E.L.D. up until the first half of Season 2.
If you've been watching Agent's of S.H.I.E.L.D. this season, you know that the show has been setting the stage for the Inhumans in a big way. These secret beings, hiding among humanity and gifted with the ability to gain superhuman powers, are starting to emerge in the Marvel Cinematic Universe. Even Skye has discovered that she numbers among this ancient race.