"Captain America: Civil War" directors Joe and Anthony Russo are in with the Marvel Cinematic Universe for the long haul. The brothers will stick with Marvel Studios through the second "Avengers: Infinity War" film in 2019, and they don't seem to be slowing down. During an interview with Collider, they discussed who they'd love to bring into the MCU and if they'll stick with Marvel after "Infinity War."

When asked which character he'd most like to bring into the MCU fold, Joe Russo said, "Wolverine."

"Yeah," Anthony Russo agreed.

"First favorite character growing up was Spider-Man, second was Wolverine. One of my most-prized possessions is 'Incredible Hulk' #181. It was his first appearance," Joe Russo shared. "It's in my collection. It's sitting in a safe. I won't disclose where it is."

"I know where it is," Anthony Russo pitched in. "And I would say Wolverine as well, for all of the exciting reasons that we all gravitate to."

Of course, Fox currently holds the rights to the X-Men franchise, including Wolverine, but stranger things have happened than two studios making an agreement; after all, Sony and Marvel Studios reached a deal to share Spider-Man's rights, enabling the character to appear in "Captain America: Civil War."

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Wolverine isn't the only character the Russos would like to include. Asked to select a more obscure character, Anthony Russo responded, "Great Lakes Avengers."

"Great Lakes Avengers, yeah. I'll pick Groo the Wanderer," added Joe Russo. "It was a big character in my childhood."

As to whether or not they'll stick around after the final "Infinity War" film in 2019, Joe Russo said, "It's so hard to say because we're working through 2019, which is a long way from now. So it's very difficult to say what our headspace will be like then and what we'll be interested in, whether we'll still be invigorated to keep working on larger stories, or whether we'll want to do some smaller stories, what the business is going to be ... There are so many opportunities out there, it's tough to say. Probably something we could answer in 2019."

"I will say this: Our experience with Marvel has been amazing and we really do feel like we're in our creative sweet spot there. So it's definitely a place that we'll always think about," Anthony Russo shared.

"One of the great things about Marvel is that they like to marry genre, and who knows where it's going to go from here," Joe Russo explained. "You have to keep varying up the storytelling to surprise audiences. I think there are going to be some fun surprises in store over the next few years."

Directed by Joe and Anthony Russo and starring Chris Evans, Robert Downey Jr., Scarlett Johansson, Anthony Mackie, Sebastian Stan and more, "Captain America: Civil War" opens on May 6, 2016.