The CW’s epic five-part crossover event “Crisis on Infinite Earths” kicks off with The Monitor (LaMonica Garrett) sending Harbinger (Audrey Marie Anderson) to gather the worlds’ greatest heroes to prepare for the imminent danger that’s coming. Supergirl (Melissa Benoist), The Flash (Grant Gustin), Green Arrow (Stephen Amell), Batwoman (Ruby Rose), White Canary (Caity Lotz), The Atom (Brandon Routh) and Superman (Tyler Hoechlin) must suit up for battle, or everyone and everything on their worlds will be gone. During this 1-on-1 phone interview with Collider, actress Audrey Marie Anderson talked about how she found out the …