Fresh off an Oscar win for Best Adapted Screenplay for the terrific BlacKkKlansman, filmmaker Spike Lee took his talents to Netflix to craft an original film. That movie, called Da 5 Bloods, is coming out this summer, and we now have our first look at the film courtesy of a debut trailer. The ensemble pic is a Vietnam War movie that follows four African-American war veterans who return to Vietnam years later to find the remains of their fallen squad leaders—and the promise of buried treasure. The ensemble cast is filled out by Delroy Lindo, Clarke Peters, Norm …