Marvel isn't playing it coy over Thunderbolts' Big Bad anymore as the movie's latest teaser reconfirms who it'll be.

Yellowjackets has always been about secrets, but Season 3 ramped things up and even alluded to a darker turn to a key character.

What do Slim Shady, Clark Kent and Sasha Fierce all have in common? They are all examples of alter egos, a fictional persona that acts as an alternative self. The meaning of alter ego has evolved ...