The two were good colleagues before they developed romantic feelings for each other."They've known each other for a very, very long time and they've genuinely liked each other outside of their working relationship," an unknown source told PEOPLE. There's always been an attraction there," the source added. and the Avengers."At one point I do think that the Infinity Wars there are, I think at one point 61 or 62 Marvel characters in it," Johansson said during her guest appearance on CBS' "The Late Show with Stephen Colbert." "In one particular scene, there's like 32 [characters], there's a lot...While the couple has known each other professionally for years, the source made it clear that their romantic relationship had nothing to do with why Johansson got divorced from Romain Dauriac. I don't know who's a Marvel character and who's a crew member," she added."Avengers: Infinity War" opens in theaters on May 4, 2018.

When it comes to dating Scarlett Johansson, it’s complicated.Johansson shares a 2-year-old daughter, Rose Dorothy Dauriac, with estranged husband Romain Dauriac.Johansson and Dauriac reportedly split in summer 2016, and in early March 2017, Johansson officially filed for divorce from her French husband, describing her marriage as "irretrievably broken." Stern, of course, didn't let the topic of dating go that easily.The 32-year-old actress and model is said to be dating a high-profile entertainment lawyer, Kevin Yorn, who also happens to represent her.On June 16, Johansson was spotted on a night out with Yorn — igniting rumors of a blossoming romance.