Captain America 2 movie spoilers emerged as a clip from the Conan O'Brien show featured a 1970s Captain America film, with Bucky and Brock Rumlow a.k.a Crossbones in it.

Frank Grillo will be playing the role of Crossbones for the Captain America 2: The Winter Soldier movie, where in the comics, Crossbones played a major part in the death of Captain America (Steve Rogers) that paved way to Bucky Barnes becoming the new Captain America.

In the Captain America 2 sequel, Grillo's role as Brock Rumlow is a S.H.I.E.L.D agent who helps the Cap and Black Widow in their secret missions.

Could it be that the funny video Conan O'Brien featured in his show be a hint to what will happen to Steve Rogers in Captain America 2? Or is it too early to make such speculations.

One thing is for sure though, Crossbones will be coming back in the future films, according to Grillo in his interview with CraveOnline:

"It's an origin film. You meet people who are going to be around for a while, so they introduce the characters," he explained. "It's almost like it's a series. It's fun. I can't say very much about it because Marvel's very strict about what you're allowed to say. The movie, we've seen bits of it, and it is spectacular."

The actor also admitted that taking a part in a Marvel movie is a huge privilege that he really treasures. "For me it's a great opportunity because it's an international film. It just raises your exposure that much more," he said.

Grillo was confident about his role coming back for future films as he answered question pertaining to Marvel's future plans for Brock saying, "They do actually. We'll see what happens. We'll see if the fans respond to Brock and how it goes."

Captain America: The Winter Soldier is scheduled to be released in theaters on March 26, 2014.

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