Miles Morales caught in the middle of a universal collision! Two of today's most exciting writers, Deniz Camp (The Ultimates) and Cody Ziglar (Miles Morales: Spider-Man), join forces for an adventure that will change Miles Morales — and the Ultimate Universe — forever! Drawn by rising star Jonas Scharf, the brilliantly moody artist who brought you Ultimate Universe: One Year In and Dark X-Men...Before The Maker remade Earth-6160, he left Miles Morales the key to reach his new universe... and when Miles' baby sister, Billie, uses it to travel to the Ultimate Universe, it's up to Spider-Man to save her! But the Ultimate Universe is never safe for any Spider-Man! When the Spot attacks, Miles will have to team up with an all-new Peter Parker — and that's just the start of his journey across Earth-6160...