There, adamantium is a man-made steel alloy. In the 616 timeline, however, we've just found out its origin is as alien as vibranium's, and Earth's scientists are considering it an all-new element. Red Hulk's appearance in the fourth Captain America movie brings back the quite silly Marvel science of gamma rays to the forefront of the MCU.

Hugh Jackman's Wolverine could return to the MCU, but his future in the franchise has been challenged by Captain America: Brave New World.

Before 2023, it would have been unthinkable for a Marvel Studios film to flop at the box office. Regardless, The Marvels failed to, well, marvel audiences, earning a bleak $206.1 million worldwide, while Ant-Man and the Wasp: Quantumania disappointed the studio with only $476.