The Mad Titan Thanos could be returning to the Marvel Cinematic Universe in Avengers: Secret Wars, but one theory suggests this could come with an epic twist that would make Robert Downey Jr.’s Doctor Doom even more terrifying. After a brief cameo from Damion Poitier’s Thanos at the end of The Avengers, Josh Brolin took … Continue reading Convincing MCU Theory Reveals Thanos’ Return in Avengers: Secret Wars (& It’s Good for RDJ’s Doom)