Joseph Quinn says the 'Fantastic Four' cast has received "sage advice" from MCU veterans, and calls Robert Downey Jr. "a remarkable actor" ahead of working with him in 'Avengers: Doomsday.'

Sue Storm actor Vanessa Kirby says Robert Downey, Jr. is doing "amazing work" as Doctor Doom and as the behind-the-scenes leader of the cast

While Robert Downey Jr.'s Doctor Doom is barely shown in the Avengers movie fan trailer, the villain looms over the footage. Characters like Doctor Strange, Mister Fantastic, and Magneto talk about how much of a threat Doctor Doom poses. Scenes of destruction across the multiverse help display how thrilling the upcoming MCU movie could be.