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Collects Nova Annual #1, Nova (2013-2015) #28-31.
When the newest Nova needs help with his busted helmet, he turns to Doc Green, the Incredible Hulk! But their quest soon takes them halfway across the universe and puts them in danger that even the Hulk can't punch his way out of! Then, Nova joins the X-Men and Guardians of the Galaxy for an epic adventure. With the Black Vortex in his possession, Sam must run for his life! But even when he returns to Earth, cosmic problems follow him - and his next challenge will test him more than any adventure has before. The entire world is under the gun, and it's up to Nova and his friends - Beta Ray Bill, Doc Green, the Guardians of the Galaxy and Cosmo - to save the planet! You won't believe how it all ends!