 The Puffball Collective would sometime psychically probe Hulk's mind just to get a response out of him.Though the Puffball Collective could not leave the Crossroads, it and the Hulk defeated the U-Foes, who had accidentally trapped themselves there.Later the Hulk and the Puffball Collective became part of the crew of the space vessel Andromeda, helmed by Xeron the Starslayer and Captain Cybor.