DCU Chief and Superman Director James Gunn Makes Cryptic Tweet Referencing Martian Manhunter

DC Universe chief James Gunn is having fun on social media, with a cryptic tweet referencing Martian Manhunter.

https://www.ign.com/articles/dcu-chief-and-superman-director-james-gunn-makes-cryptic-tweet-referencing-martian-manhunter