Amazon MGM Studios’ Challengers, starring Zendaya and directed by Luca Guadagnino, made $1.9M in previews, a figure $100K shy of what Universal’s Cocaine Bear did. The tennis sexy romcom is hoping to open to $15M for the weekend. Lionsgate and Kingdom Story’s Unsung Hero made $1.67M in previews. It’s important to note that for both films not all their bread was...