https://www.cnet.com/news/avengers-4-first-trailer-has-arrived-and-title-endgame/

"Thanos did exactly what he said he was going to do," says Black Widow. "He wiped out 50 percent of all living creatures."

The trailer features a lot of Cap, but more importantly we get our first look at Hawkeye (slash Ronin?) IN YEARS. (Probably both for us and the Avengers truthfully.)