The 'Jefferson as a chicken' political cartoon could be a satirical take on certain policies or actions associated with Jefferson, using the imagery of a chicken to convey a particular message.
I think such content is inappropriate and not in line with the positive themes of the series. The focus of My Hero Academia is on heroism and growth, not on such explicit subjects.
Such cartoons are highly unethical and inappropriate. They violate moral and legal standards as they involve content that is unacceptable and can have a negative impact on society.
The 'Legend of Immortals' anime is mostly faithful to the manga. It captures the essence and key moments well. However, there could be some artistic liberties taken to make it more appealing to the animation audience, but they don't stray too far from the original manga's core.