The Jonas Brothers visited The Tonight Show this week to talk to host Jimmy Fallon about their Olympics special. During the interview, they made an interesting offer to another set of famous brothers. The band also talked about their plans to head out on tour later this summer with Kelsea Ballerini, as well as their upcoming memoir, which they wrote from three different perspectives. The Jonas Brothers: "Us Against Thor??" Fallon mentioned that the Jonas Brothers wrote a memoir together entitled Blood. The host assumed that the title referred to the fact that they're family, but Joe Jonas suggested it could actually mean something else entirely. "No, actually. That's not the reason. We're gonna take a note out of all the YouTubers that are having these boxing matches," Joe joked, probably referring to Logan Paul. "We're gonna have a big UFC match. It's gonna be us versus the Hemsworth brothers. The Hemsworths haven't emailed us back yet, but I think it's gonna be big." Fallon suggested that there might be more Hemsworth brothers out there that we don't know about, which prompted Joe to joke that they might be "a little bit closer to our height." The famous Hemsworths are, of course, Chris and Liam. They also have another brother named Luke. SEE ALSO: THE JONAS BROTHERS GO FOR GOLD IN PREVIEW FOR NEW OLYMPICS SPECIAL https:\/\/www.youtube.com\/watch?vKAFxAltf_RE The Brothers Are Excited About Their Tour The Jonas Brothers are heading out on their Remember This Tour starting in August. The tour is named after a recent song they released in June, as part of their partnership with NBCUniversal for the Tokyo Olympics. They'll be joined on the tour by country star Ballerini. The brothers said they were excited to head out on the tour, as Nick Jonas pointed out that they were "one of the last tours to go out pre-COVID, and we will be one of the first ones back, outdoors, in front of our fans again." The band is also prepared for things to possibly go wrong on stage. Joe recalled a time when a sign that read JB for Jonas Brothers lit on fire. The sprinklers poured water all over them on stage. He joked that they got to his birthday party faster afterward because they didn't have to finish the performance. You can watch the Jonas Brothers try out a few sports in their new special Olympic Dreams, airing on NBC Wednesday night at 8 p.m.