Marvel Bunch May 5, 2019May 5, 2019 David Rall The cast of Avengers: Infinity War sing their own version of “The Brady Bunch” theme song, “The Marvel Bunch.” Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print Click to email a link to a friend (Opens in new window) Email