New Delhi, April 27 -- Marvel's latest superhero flick Avengers: Endgame has notched up the highest opening day for a Hollywood film in India till date at Rs.52 crore. Released only in about 1,700 theatres, the Anthony and Joe Russo directed film has managed the third highest net first day collections in India ever, after war epic Baahubali 2: The Conclusion and Rajnikanth's science fiction film 2.0, said trade website Box Office India....