Warner Bros. has uploaded the main trailer for the action comedy The Nice Guys [NICEG]. Set in 1970s Los Angeles, Ryan Gosling [RGOSL] plays a private investigator who teams up with an enforcer, played by Russell Crowe [RCROW], to solve the case of a missing girl which leads them down a path filled with fisticuffs, shootouts and destructive mayhem. Rumored to world premiere at the Cannes Film Festival, The Nice Guys opens in theaters on May 20th.