Marvel announced during tonight's Marvel's Agents of S.H.I.E.L.D. that the first trailer for Avengers: Age of Ultron will debut during next week's episode, "A Fractured House", airing Tuesday, October 28 at 9 PM ET on ABC. Take a look at the announcement below, which Marvel made on their official Twitter page.After production wrapped in August on Avengers: Age of Ultron, many fans wondered when the first footage from this Marvel Phase Two sequel will debut.