If Batfleck has his way, Larry David may be in the new Man of Steel movie. Though, at this point, this whole thing is an unconfirmed rumor being perpetuated by a Radar Online story, according to an unnamed “insider,” the two are apparently neighbors, and have been chatting about David playing the villain Mr. Mxyzptlk in the upcoming Batman vs. Superman film. Admittedly, Larry David actually looks a lot like the weird supervillain, but this seems like a pretty big stretch. Either Radar is just (successfully) attempting to drum up traffic by posting wild, unfounded rumors, or Ben Affleck is legitimately doing everything in his power to ruin the franchises of both Batman and Superman …