VIDEO : When Will 'Avengers 4' Trailer Be Released?

According to Comicbook.com, "Marvel fans are in a state of constant stress right now, as they expect the first Avengers 4 trailer to drop any day now. However, rumor of the trailer's release date has started to morph and change over the last few days, resulting in a conflicting web of "scoops" all claiming to know when, exactly, the Avengers 4 trailer is coming." Some of the rumors have even revealed that it's trailer release has been delayed.