To be fair, the last time we saw her with red hair was the Civil War. After that movie, she went into hiding with Cap, so it makes sense she dyed her hair to better hide her identity. Now that she’s brought back into the fold with the Australian Shepherd Asvengers Marvel Avengers end game shirt, there’s no longer a need for her to stay undercover. Product marketing. No one will be the exact same toys if there is no timelapse change.