Could be a simple promo image, could be a variant cover, could be a Red & Blue story. Feels a bit early for it to be relating to King's project with...
In terms of average execution? The comedy ones. Bizarro, Prankster, and Mxyzptlk are all great, whereas the vast majority of the rest other than Lex...
The full image, with confirmation that this version of Superman appeared 20 years ago, that his enemies include mad scientists and "interdimensional...