Joe Keeryhad quite a “confusing day” when he was spotted at Electric Lady Studios at the same time asTaylor Swiftin June.In an appearance onThe Tonight ShowThursday, theStranger Thingsactor, 31, addressed the subsequent rumors that he and the “Mastermind” performer, 34 — who hasbeen spotted at the New York recording studioa number of times this year — may have a collaboration in the works.“Well, that was a very confusing day because I was just in there with John, minding my own business, not doing anything, and then I walked out the door, and it was like 1,000 people were standing out there. People looked at me expecting Taylor, and were like, ‘Who’s this guy?'” Keery, who releases music as Djo, told hostJimmy Fallonwhen asked about a possible team-up between the artists.Joe Keery; Taylor Swift.Todd Owyoung/NBC via Getty Images; Matt Winkelmeyer/Getty ImagesThe performer then revealed people started to notice him — sort of: “And then I walked down the block, and someone’s like, ‘Oh, that’sthatguy!'“Fallon, 49, pressed him again on the possibility of a collaboration with Swift.“So we can’t say anything?” Fallon asked, to which Keery coyly replied: “Maybe that would generate something. Maybe that experience generated something in the universe, but I don’t know.“Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.Joe Keery.Pascal Le Segretain/Getty ImagesFallon then tried to pry information from theFargoactor about the next season ofStranger Things, which is set to start filming in 2024. “Have you seen scripts?” he asked Keery.“I have seen a few, yeah. I don’t think I can say anything, maybe, other than that,” he told the host.Fallon later addressed how his character on the show — Steve Harrington — gets beat up a lot and asked Keery if fans could expect more of that in the final season.“You know, we don’t know. Odds are, I would say,” he told the host, while motioning that it was likely.Joe Keery.Todd Owyoung/NBC via GettyKeery, who is currently starring onFargo, also discussed having Jon Hamm, who happened to appear on the late night show the night prior, play his father on the show.“So, the kind of character dynamic is that I’ve got daddy issues. And with a guy like Jon Hamm, it’s easy. He’s a handsome, you know, guy,” Keery remarked.The “Change” performer added: “He’s amazing, yeah. He’s great.”

Joe Keeryhad quite a “confusing day” when he was spotted at Electric Lady Studios at the same time asTaylor Swiftin June.

In an appearance onThe Tonight ShowThursday, theStranger Thingsactor, 31, addressed the subsequent rumors that he and the “Mastermind” performer, 34 — who hasbeen spotted at the New York recording studioa number of times this year — may have a collaboration in the works.

“Well, that was a very confusing day because I was just in there with John, minding my own business, not doing anything, and then I walked out the door, and it was like 1,000 people were standing out there. People looked at me expecting Taylor, and were like, ‘Who’s this guy?'” Keery, who releases music as Djo, told hostJimmy Fallonwhen asked about a possible team-up between the artists.

Joe Keery; Taylor Swift.Todd Owyoung/NBC via Getty Images; Matt Winkelmeyer/Getty Images

Joe Keery Addresses Rumors of a Taylor Swift Collaboration.

Todd Owyoung/NBC via Getty Images; Matt Winkelmeyer/Getty Images

The performer then revealed people started to notice him — sort of: “And then I walked down the block, and someone’s like, ‘Oh, that’sthatguy!'”

Fallon, 49, pressed him again on the possibility of a collaboration with Swift.

“So we can’t say anything?” Fallon asked, to which Keery coyly replied: “Maybe that would generate something. Maybe that experience generated something in the universe, but I don’t know.”

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

Joe Keery.Pascal Le Segretain/Getty Images

Joe Keery

Fallon then tried to pry information from theFargoactor about the next season ofStranger Things, which is set to start filming in 2024. “Have you seen scripts?” he asked Keery.

“I have seen a few, yeah. I don’t think I can say anything, maybe, other than that,” he told the host.

Fallon later addressed how his character on the show — Steve Harrington — gets beat up a lot and asked Keery if fans could expect more of that in the final season.

“You know, we don’t know. Odds are, I would say,” he told the host, while motioning that it was likely.

Joe Keery.Todd Owyoung/NBC via Getty

Joe Keery Jimmy Fallon 12 21 23

Todd Owyoung/NBC via Getty

Keery, who is currently starring onFargo, also discussed having Jon Hamm, who happened to appear on the late night show the night prior, play his father on the show.

“So, the kind of character dynamic is that I’ve got daddy issues. And with a guy like Jon Hamm, it’s easy. He’s a handsome, you know, guy,” Keery remarked.

The “Change” performer added: “He’s amazing, yeah. He’s great.”

source: people.com