Warning: There are potential spoilers ahead for "Avengers: Endgame."INSIDER breaks down the small moments and details you may have missed in the "Endgame" trailer, including how Black Widow's hair color may signal a time jump.Marvel released a new trailer for "Avengers: Endgame" on Thursday, and it answers at least one big question we have: Will Tony Stark and Nebula get back to Earth' It's a definitive yes.The new trailer and poster released for the film have a few more subtle details you may have missed, including a few more characters who will appear in the movieand how Black Widow's new hair color may signal a time jump.Keep reading to see what you may have missed in the official "Endgame" trailer.Tony Stark and Nebula clearly make it back to Earth.The first "Avengers: Endgame" trailer showed Tony Stark and Nebula's situation looking pretty bleak out in space. Tony's oxygen was running low and he was recording a message for Pepper Potts in the event he didn't make it.Well, it looks like we don't need to worry because he and Nebula will make it home to Earth. Somehow. The new trailer shows both of them in a lineup wearing some new snazzy suits alongside Captain America, Hawkeye, and more.Tony's probably going to play an intricate role in helping the Avengers figure out how they're going to get out of the current mess Thanos created.Black Widow is a red head again ' and there's probably an important reason why.Black Widow has changed up her look in just about every single Marvel movie and "Endgame" is no different. In "Infinity War" she went blonde, and we figured that was because she was a wanted fugitive on the run. This time, she's back to red roots, with some blonde still showing. What gives'We're pretty confident the main Avengers crew is going to try and go back in time to prevent Thanos from ever acquiring any of the Infinity Stones (more on those here). That was back when Black Widow's hair was very red. If she's wants to blend in, she may have to play the part.Read more: Black Widow's hair color in the new 'Avengers: Endgame' trailer could be a hint at a potential time jumpBlack Widow's hair may also be a hint at a time jump in the film.When Captain Marvel first shows up in the "Endgame" trailer, Black Widow's hair is in a short blonde bob. Throughout the trailer, we see Black Widow's hair in a few different styles. Her hair is noticeably blonde and longer in a braid and then we see it become redder in hue.It seems like some serious time may pass in "Endgame" as the team (aka Tony Stark, Bruce Banner, and maybe Ant-Man) tries and figures out how the group can undo the Thanos snap in "Infinity War." That lines up with theories suggesting there could be a five-year time jump in the sequel.See the rest of the story at Business Insider Click here to read full news..