r/MCUTheories is a subreddit with 160k members. The most common flair used is theory, question, discussion/debate, avengers doomsday, and spider-man: brand new day.
The place to drop your theories and memes about the MCU. Spoilers are allowed but please tag them as such.
Flair Used in r/MCUTheories
#1
Theory
: "Potentional Plot of Visionquest ( HUGE SPOILERS)"
30 posts
#2
Question
: "What are the chances of Dafne keen returning to play X-23 in the upcoming marvel movies?? Also what's going on with hailee steinfeld as hawkeye??"
28 posts
#3
Discussion/Debate
: "Do you believe Tony when he said this to Peter?"
28 posts
#4
Avengers Doomsday
: "Avengers Doomsday 🚨 will reportedly have both versions of Wolverine : The Worst Wolverine(Earth-TRN1400) from MCU Deadpool&Wolverine movie , and Foxverse wolverine from fox movie universe (earth 10005) . Tobey Maguire will wear the Raimiverse version of iron spider suit"
13 posts
#5
Spider-Man: Brand New Day
: "new spider man merch"
8 posts
#6
Unannounced/Other
: "In another timeline/universe we got the kang dynasty"
4 posts
#7
Meme
: "[confirmed] Sadie Sink will reportedly be playing a sexy variant of 'The Ancient One' to relieve Peter from Doctor Strange's curse."
3 posts
#8
Rumour
: "The Russo Brothers are reportedly developing another ‘AVENGERS’ movie aside from ‘DOOMSDAY’ and ‘SECRET WARS’"
2 posts
#9
I’ve come to bargain
: "My Pitch for Doctor Strange 3"
1 post
#10
You’re all variants!
: "My MCU collection in Rivals"
1 post
Member Growth in r/MCUTheories
Yearly
+61k members(61.4%)
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Last updated: June 30, 2026