Was Avengers Assemble Cancelled?

Disney XD neither renewed nor canceled the sixth season of the series. All the previous seasons of the show received their renewal during the run of the previous season or in a month after its completion.

Is Avengers Assemble still going?

On January 5, 2017, Disney XD renewed Avengers Assemble for a fourth season titled Avengers: Secret Wars. On July 22, 2017, Disney's official PR feed announced that Avengers Assemble has been renewed for a fifth and final season at San Diego Comic-Con 2017 as Avengers: Black Panther's Quest on Disney XD.

Why did the Avengers break up in Avengers Assemble?

At some point in time, the Avengers split up and went their separate ways; the reason being unknown. It's unknown who else was in the Avengers prior to the series; because when Tony took over as leader he tells the others that the Avengers were coming back, handpicked by him.