Originally Posted by
RockyHorror
Cross did not lose his credibility, I think. I'm not suggesting Kang would either. I'm only suggesting that Kang is a big deal to a relative handful of people, and if you're going to use him in a comedy, then be prepared for him to be surrounded by comedy. Thanos is the only character to have a role in a comedy without having a single comedic moment, but he was prevalent throughout the MCU and was engaged in a storyline which could not, inherently, be a cause for humor.
Kang has no such immunity, unless Marvel decides to give him some. In which case, Ant Man would be an odd choice for a debut.