https://www.cnet.com/news/avengers-infinity-war-trailer-release-date-wednesday-marvel-joe-anthony-russo-2-days-instagram/

The "Avengers: Infinity War" trailer is finally landing Wednesday, reveals an official tweet from Marvel sent out Tuesday morning.   

The Wednesday date is a day earlier than many, including CNET, surmised based on a cartoon countdown from directors Joe and Anthony Russo.