Business Insider reports Avengers: Endgame" star Scarlett Johansson and "Saturday Night Live" cast member Colin Jost are officially engaged. Johansson's publicist Marcel Pariseau confirmed the news to Associated Press on Sunday evening. A wedding date has not been set yet. The two have been dating for two years and met on the set of "SNL" when Johansson was a host. This will be Johansson's third marriage and Jost's first.