The end is the beginning - Jeff Parker

With the Thunderbolts lost in time, a new group steps in to replace them: the Dark Avengers. Featuring Dark Scarlet Witch, Dark Spider-Man, Trickshot, Ragnarok and Luke Cage. But as the T-Bolts battle Dr. Doom in the past for the fate of the future, Cage learns of the Dark Avengers' deadly new mission - and Skaar, son of Hulk, discovers the team's secret agenda. The Dark Avengers' operation sets off what will become known as The Cataclysm, things get worse when Songbird stumbles onto a conspiracy to destroy the team. Collecting: Dark Avengers 175-182