VIDEO : 'Avengers 4' Title Meant To Scare Fans

The Russo Brothers directed 'Avengers 3' and 'Avengers 4.'
Avengers 3 is titled 'Infinity War.'
The title for Avengers 4 hasn't been released yet because it spoils 'Infinity War.'
Some fans are scared that something major will happen in Infinity War.
The Russos took to concours-twitter.htm">twitter and told fans they should be scared.
'Infinity War' promises to rip apart the MCU irreparably.
'Infinity War' hits theaters April 28th.