The first image sees Kumail Nanjiani in what looks to be a confrontational situation with Dave Bautista in the front seat of his car. The movie gets its name from Nanjiani's character Stu, who happens to be a Uber driver. Hence, Stuber. Bautista, in an interview, provided some context to go along with the images, as well as some details on his character. Here's what he had to say.
"So, Vic is begrudgingly using Uber because he's just had Lasik surgery.