Don't worry, they're temporarily switching artists to get things back on track for a month.
Marvel announced today that Wonder Man, Wasp and Sunfire would all be joining Rick Remender's Uncanny Avengers team beginning in issue #5, which is expected to come out sometime in 2015. "We're really excited for people to see our expanded cast," said Axel Alonso, "Those that remember the series is coming out after the massive delays between issues, that is." The second, third and fourth issues have all been delayed, presumably due to artist John Cassaday's lengthy artistic process.
On the plus side, Marvel announced that Oliver Copiel would be temporarily taking over artist duties during the book's second arc to give Cassaday additional time in between issues. "By giving John a break, we'll get two, maybe even three issues out before we go back to months of waiting," Alonso said.
Remender noted that Wonder Man, a character that has repeatedly attacked the Avengers in recent years for their fascist and wrongheaded actions, would be the team's PR person and that Sunfire and Wolverine would have some sort of side mission, which probably involves plenty of death, mutilation and shortsighted acts of revenge, all of which are condoned and encouraged under Captain America's reign as
supreme douchebag of the Marvel Universe leader of the Avengers. Also, Wasp will somehow be exploiting mutants for monetary gain, which matches the overall theme of Uncanny Avengers.
Anyways, here's the cover to issue #5, which has the entire team staring disapprovingly at you for buying it.