Robert Downey Jr's Doctor Doom Return Totally Changes 1 Infinity War Thanos Line In MCU Theory

As was announced at San Diego Comic - Con 2024 , Robert Downey Jr. has been cast as the MCU ’s Doctor Doom , and will serve as the braggy spoilt inAvengers : Doomsday . He ’ll likely be the big regretful inAvengers : Secret Warsas well . retain that in mind , one of Thanos ' bestInfinity Warlines to Iron Man will likely take on a whole new substance now that Downey will be playing Doctor Doom in the MCU .

Robert Downey Jr’s Return As Doctor Doom Changes Thanos’s “I Hope They Remember You” Line

The Avengers May Have To Reconcile Doom With The Iron Man They Once Knew

While combat Iron Man , Spider - Man , Doctor Strange , and a number of the Guardians of the Galaxy on Titan , there are a few sequences where the frantic Titan gets to contend Iron Man directly . Not only does Thanos support that he ’s long been cognizant of who Tony Stark is , but he also share his deference for Iron Man despite Stark ’s efforts to prevent his expunction of half of life in the universe . As such , this fundamental interaction also furnish one of Thanos ' best line :

" When I ’m done , half of human beings will still be alert . I hope they remember you . "

While the line is powerful , it hits even harder followingAvengers : EndgameafterIron Man gives his life using the Infinity Gauntletto defeat Thanos and his forces . However , the argument can be made that the occupation may soon take on a whole novel sort of significance in light of Robert Downey Jr. ’s Doctor Doom cast . After all , one can imagine that several of the Avengers will likely have a hard time reconciling the new scoundrel they ’ll soon bump with the hero they call up , peculiarly if he has the same look .

Ioan Gruffudd as Reed Richards' Mister Fantastic in a lab coat in Fantastic Four

Why RDJ’s Return As Doctor Doom Will Change Iron Man’s Legacy Whether He’s A Variant Or Not

New Mask, Same Task (And Same Face)

in the end , it does n’t weigh if Robert Downey Jr. is play a literal Victor von Doom in the MCU ’s future orsome sort of Tony Stark variant who became Doom instead of Iron Man . The legacy of Iron Man will be affected either room . By casting the same actor , Marvel Studios is invite new room of looking at Iron Man ’s legacy as a hero . Hopefully , this is why Marvel cast Robert Downey Jr. in the first topographic point , sustain an designed reason for casting the same role player for one of the self-aggrandizing supervillains of all time .