Marvel's Boldest Experiment Concludes in an Unbelievable, Era Defining Finale for the Ultimate Universe! Two years have passed in the Ultimate Universe - but inside the City, the Maker has had thousands of years to prepare for his return! With the barrier around the City finally gone, the world's new heroes - including Spider-Man, America Chavez, Killmonger and Doom - must mobilize to defeat the Maker before it's game over. For everyone. Inside the City, the desperate group battles the terrifying Children of Tomorrow - and discovers some surprising allies! Meanwhile, the rest of the world wages World War III, and Iron Lad makes a stunning and heartbreaking discovery that could change the fate of the Ultimate Universe forever. With shocking twists, painful deaths and massive reveals, this is the century's ultimate super-hero event! Collecting: Ultimate Endgame (2025) #1-5