SETH MEYERS May 17, 2018 3:32 am ‘Late Night': Mark Ruffalo Convinced Josh Brolin to Play Thanos in ‘Avengers: Infinity War' Josh Brolin explains to Seth Meyers how Mark Ruffalo convinced him to play Thanos in the recently-released “Avengers: Infinity War” film. Local 1:36 O.J. Simpson's cause of death revealed 2:36 Super dad makes Mario-themed obstacle course for son's birthday 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 0:59 Paramedic involved in Elijah McClain's death sentenced to 4 years of probation