#AvengersInfinityWar opens to mammoth $39M from domestic pre-shows THU. Biggest ever for any superhero movie and 4th highest at all-time #boxoffice behind #StarWars #ForceAwakens ($57M), #LastJedi ($45M) and final #HarryPotter ($43.5M midnight start).

— Gitesh Pandya (@GiteshPandya) April 27, 2018