In a thrilling turn of events, Anthony Mackie is gearing up to take on the formidable Robert Downey Jr. as Doctor Doom in the upcoming blockbuster *Avengers: Doomsday*. The stage is set for an epic battle as Mackie, now donning the shield of Captain America, faces off against the iconic Downey Jr., who makes a dramatic return to the Marvel Cinematic Universe.

Excitement is running high as filming for this highly-anticipated Avengers installment is slated to kick off this spring. Mackie expressed his enthusiasm for the intense showdown, describing the opportunity to go head-to-head with Downey Jr. as a career-defining experience akin to working with legendary actors like Harrison Ford.

While details about *Avengers: Doomsday* are closely guarded, one thing is certain - the clash between Mackie and Downey Jr. promises to introduce a fresh dynamic to the MCU. Set against the backdrop of London this summer, the film's production is in full swing, with a sequel, *Avengers: Secret Wars*, already on the horizon.

With the Russo brothers at the helm once again, fans can expect a thrilling cinematic experience that will shape the future of the Avengers franchise. As Mackie leads a new generation of heroes and Downey Jr. takes on the role of the menacing Doctor Doom, the stakes have never been higher in this epic clash that could redefine the very essence of the superhero universe. Get ready for a showdown like no other as these iconic characters collide in a battle for the ages.