has finally arrived, and with it comes a whole bunch of new mysteries.

Indeed, no other solo superhero act in the entire Marvel Cinematic Universe has featured so many game-changing moments. From the dissolution of high-powered structures to the disappearance of fan-favorite characters, the events of "Winter Soldier" are sure to reverberate throughout the coming Marvel movies, especially and the next "Captain America."

MTV News spoke with the "Winter Soldier" cast for their take on some of the film's greatest mysteries. Read on for their answers, but be aware: SPOILERS are ahead.

What's Next For Nick Fury?
The legendary one-eyed spy is not only without a job at the end of "Winter Soldier," he's also presumed dead to the world at large. Without the apparatus of S.H.I.E.L.D. at his disposal anymore, and without the certain advantages of being, you know, alive, it's worth wondering: Who is Nick Fury now?

"He's a very dangerous spy again," says Samuel L. Jackson. "He's somebody who's disappeared into the woodwork. You don't know where he's going to pop up. Hopefully it'll be somewhere during the right movie."

What's Next For Winter Soldier?
For a movie subtitled "The Winter Soldier," the titular brainwashed assassin sure spent some time on the sidelines, with little more than a handful of dialogue through the whole film. But by the end of the film, Winter Soldier remembers who he is: Bucky Barnes, long thought dead in World War II, oldest friend of Steve Rogers. Can we expect that thread to continue in the next "Captain America" movie?

"The ...

Thursday (April 3) was Sam Woolf's lucky day. The resident heartthrob was voted out of the competition, but will live to sing another day after the judges agreed to use their one save for the season on the 17-year-old from Bradenton, Florida.

Here's how the results episode went down.

Sam Gets Saved

Woolf joined the ranks of Matt Giraud (Season 8), Michael Lynche (Season 9), Casey Abrams (Season 10) and Jessica Sanchez (Season 11) when the judges awarded him the season's lone save. It came after Woolf wound up in the Bottom Three for the second straight week, and third week overall.

Woolf sang David Gray's "Babylon" in his attempt to sway the judges, but they seemed to have already made up their minds. As the crowd chanted, "save him," Jennifer Lopez took the microphone with little hesitation. "We are unanimous," she said. "We are going to use the save tonight."

Confetti rained down from the ceiling as Woolf was hoisted in the air by his fellow contestants. It was an exuberant moment, but Woolf still has an uphill climb ahead of him as the screams from the girls in the studio audience still aren't translating to viewer votes.

Malaya, C.J. In The Bottom

Malaya Watson and C.J. Harris both made their second appearances in the Bottom 3 when they joined Woolf in the "Idol" basement. It was Harris' second time in the Bottom 3 in a row, and Watson's first appearance since the Top 13.

Of the remaining singers, only Alex Preston, Caleb Johnson and Jessica Meuse have yet to make an appearance in the ...

Eminem has a ton of unforgettable moments, even if Slim Shady himself has forgotten them. Luckily for Marshall, his with Rihanna jogged his memory— or so you would think.

"I had to go home and get my strait jacket," Eminem says to camera in a "Monster" behind-the-scenes video on Thursday (April 3).

The strait jacket that Em refers to is the same to the one he wore in 1999 classic vid for "My Name Is" —either that or it's very similar.

"Redoing this scene actually brings back no memories for me because I don't remember it," he says with a straight face and dead pan voice.

In the BTS piece, Em's manager Paul Rosenberg leaves the rapper a voicemail, explaining the concept behind the "Monster" vid. If you are one of the 131 million people who watched the video on YouTube since its released in December, then you know that Rihanna plays therapist as Em revisits classic moments in his life as a super star.

Most of the clip is a retread of what we already know, but we do see and hear some pretty cool things. For starters, if you ever get the chance to leave a message for Em on his cell phone you will hear: "You have reached the voicemail box of: Suck It."

We don't get to see him interact much with Rihanna, whom he will partner up with for a tour later this summer, but we do get to see him make a hilarious Elton John impression.

David Letterman, the longest-serving late night host in television history, will reportedly announce his impending retirement on Thursday night's (April 3) broadcast.

Variety reported that Letterman will retire in 2015, after 22 years behind the desk on CBS' "Late Show," and a prior 11 as the host of NBC's "Late Night."

According to a transcript provided to Variety, Letterman said he had informed CBS chairman Les Moonves of his decision prior to taping.

"I just want to reiterate my thanks for the support from the network, all of the people who have worked here, all of the people in the theater, all the people on the staff, everybody at home, thank you very much. What this means now, is that Paul and I can be married," he said.

"We don't have the timetable for this precisely down — I think it will be at least a year or so, but sometime in the not too distant future, 2015 for the love of God, in fact, Paul and I will be wrapping things up."

Musician Mike Mills, who performs on Thursday night's show, tweeted the first word of Letterman's announcement Thursday afternoon.

Of course, Letterman's signature trope is the top 10 list, a segment at the top of the show in which he satirizes and breaks down a daily topic. As a tribute to Letterman's eventual departure from our TV screens, we've pulled together a top 10 list of what we imagine to be the reactions of his peers in hosting and comedy.

10. Conan O'Brien

9. Jon Stewart

8. Jimmy Fallon

Most rappers would jump at the chance to sign on with Cash Money Records, but not Kevin Gates.

The Louisiana rapper has been building a steady fan base for some years now, and garnered a ton of industry attention with 2013's The Luca Brasi Story and Stranger Than Fiction — particularly from CM CEO Bryan "Birdman" Williams.

"I'm around Birdman, and it's like I got the world right here in my hands. One song, one look [and] I'm in the paint forever," Gates told MTV News on Tuesday of the mogul who helped launch the careers of Lil Wayne, Drake and Nicki Minaj.

While most up-and-coming artists look at Baby and see opportunity, Gates saw something different.

"I listened to Birdman talk about how it got it out the mud and how it took him 20 years to build his brand. That inspired me," he said. "I don't want no handouts, I want to get it out the mud."

It's a topic that Gates raps about on "Wish I Had It," a track off his last project By Any Means. "A vision without action is merely a dream," he says at the beginning of the track before he raps: "Young Money wanna sign me/ My rap jacket too violent."

Rather than dream, Gates took action and continued to build his company Bread Winners Association, then signed on with Atlantic Records. "It was kind of like '8 Mile' a little bit," Gates said, drawing a parallel between his underdog status and Eminem's character in the 2002 film.

"Atlantic reached out to us, and we're like we ...

The Expendables are back — again — with some new faces and a typeface they lifted from the "Fast & Furious" series.

The first trailer for "The Expendables 3" spentds the first half teasing the kind of large-scale action that is associated with the — well, what do you know — the "Fast & Furious" series, and the back end teases the ever-growing roster of aging action heroes, MMA fighters, Kellan Lutz and Kelsey Grammer.

This time, Sly Stallone has added a few big names to his all-star action roster including Harrison Ford, Wesley Snipes, Antonio Banderas and Mel Gibson. There's also the interesting addition of arm bar machine, Ronda Rousey, the UFC Woman's Bantamweight Champion, making her the first female Expendable.

The story this time around is pretty straight forward. Gibson plays the awesomely named Conrad Stonebanks, a corrupt arms dealer who originally formed the Expendables with Barney Ross (Stallone). The partners eventually turned on each other, and Barney was forced to put Stonebanks down.

But when he seemingly returns from the dead, Barney turns to the rest of the Expendables to bring the team's former leader to justice.

"The Expendables 3" opens in theaters on August 15.