Samuel L. Jackson let some spoilers slip for Captain Marvel and Avengers: Endgame in a recent interview from the set of Captain Marvel with ET.
Note that SPOILERS are ahead for Captain Marvel and Avengers: Endgame. Continue at your own risk.
In the interview, Jackson confirmed that Captain Marvel can time travel.
When asked why he thinks Captain Marvel is the right character to headline her own movie in the MCU, Jackson responded with the strength and capabilities Brie Larson’s character holds.
Source: IGN.com Captain Marvel: Samuel L. Jackson Reveals Potential Avengers: Endgame Spoiler