I am absolutely certain that the Leader’s distinctive cranium underwent a significant redesign in rehoots, and early character designs support this.

While the MCU's perpetual merch spoilers aren't a great part of the franchise's traditions, this is one time fans might actually have preferred it.

Brave New World brings back one of the Marvel Cinematic Universe’s most underutilized villains after a 16-year absence. Samuel Sterns (Tim Blake Nelson) was last seen in 2008’s The Incredible Hulk when exposure to Bruce Banner’s blood triggered his transformation.