We've seen all the theories. There's Scott Lang time traveling through the Quantum Realm. There's Doctor Strange casting a time loop spell on the Time Stone. There's all the Captain Marvel possibilities back in the '90s. But a new theory suggests that something entirely different is going on in the embattled Marvel Cinematic Universe. <br /> <br />What if no one actually died when Thanos snapped his fingers at the end of Avengers: Infinity War? Maybe he just sent everyone who turned to dust into an alternate universe.
