Warner Bros. has released the first poster for Joker: Folie à Deux — and also revealed when we’ll get the first trailer for the movie. In a Facebook post, Warners revealed that much-anticipated sequel will debut its teaser one week from today, on Tuesday, April 9. The movie reunites co-writer/director Todd Phillips with star (and Oscar winner) Joaquin Phoenix from the original Joker, which became a shockingly huge smash in the fall of 2019, grossing more than $1 billion worldwide, despite it not containing Joker’s famous arch-nemesis Batman, or any other major DC Comics superheroes. The sequel…