The following contains MAJOR SPOILERS for “Jughead,” the third episode from the fifth season of ABC’s “Lost.” This may be one of the toughest episodes I’ll ever have to review. While I enjoy the complexity of “Lost” and am a huge time travel fan, this episode left me somewhat curious, mostly entertained, and quite honestly, very confused. The time shifting has left the remaining islanders stranded in the 1950s, where we ultimately see a young Charles Widmore. We also see a Richard Alpert who doesn’t recognize John Locke because it’s the 1950’s version of Alpert, who doesn’t age and looks exactly the same as he always has. In that regard, he’s the Dick Clark of the “Lost” universe. I was heartened to see that Desmond and Penny have found happiness, and have a child name Charlie. That was probably …