Marvel Comics has released a new official origin story for the Fantastic Four in the Marvel Cinematic Universe. The new origin story appears to retcon, or rewrite, the existing backstory for the characters, with some outlets suggesting it may also introduce changes to supporting characters like the Mad Thinker. The details and implications of the new origin story are still being explored, with some outlets examining its connections to the broader MCU and how it differs from previous versions of the characters.