NBCUniversal April 26, 2018 7:41 am 'Tonight': Cast of ‘Avengers' Sings ‘The Marvel Bunch' The cast of “Avengers: Infinity War” sing their own version of “The Brady Bunch” theme song, “The Marvel Bunch,” on “The Tonight Show With Jimmy Fallon.” US & World Videos 1:15 Anna Nicole Smith's look-alike daughter Dannielynn Birkhead attends 2024 Kentucky Derby 3:27 Dua Lipa claps back at viral ‘give us nothing' meme during ‘SNL' hosting debut 3:27 Here's one of the luxurious suites your favorite A-list celebs are getting ready in for the Met Gala 1:41 ‘The Mummy' turns 25: Remembering the Brendan Fraser classic 1:07 Britney Spears spotted as authorities respond to alleged hotel incident