Scott Meldenson can write anything. IIRC he wrote a "Why Endgame wont have a 300M opening" article and then publish another "Why Endgame wil make a 300M opening" someday later
This is just step one in Disney grand plan. Step two is to re-release Avatar before Avatar 2 to earn even more money and records. You will need to send me checks to keep me silent Disney.
BOT reports Avatar's gross in Viet Nam is $1,385,487 in 2010, a quick search shows that average ticket price in Viet Nam in 2010 is 80k - 120k VND ~ 4.1 - 6.1 USD. Let's take average ticket price of 5.1 USD so addmision will be 266370