Doom later kills Doctor Strange when he starts to question the rule of the God Emperor. This is how Doom deals with anyone who doesn’t love him completely.

The Marvel Cinematic Universe is Doomed. Ever since Robert Downey, Jr. unmasked himself at San Diego Comic-Con 2024, it was clear that Doctor Victor von Doom’s introduction to the MCU would be a ...

God Emperor Doom killed Doctor Strange, who had helped him establish his new multiversal order, in order to keep him quiet about things Doom didn’t want anyone to know.

"Not in Doomsday, but Secret Wars. Doomsday should be Doom’s rise to power and ends with him winning and becoming God-Emperor," someone else replied.