Chris Pratt’s sci-fi thriller “ Mercy ” will aim to knock down the James Cameron juggernaut “ Avatar: Fire and Ash ” at the weekend box office. “Mercy” is aiming for $10 million to $13 million from 3,400 North American theaters over the weekend. Meanwhile “Avatar 3,” which has spent five weekends in the No. 1 spot on domestic charts, is targeting $8 million to $10 million in its sixth outing. 'Ne Zha 2,' 'Zootopia 2' Lead China Box Office Past $7.4 Billion in 2025 “Mercy” is the weekend’s only