When an unknown alien ship enters Earth's atmosphere, disrupting global power and communications and plunging the planet into chaos, the world is left wondering...where is Superman when he is needed most? In the mysterious absence of the Last Son of Krypton, Batman must form a team to infiltrate the Fortress of Solitude to find the key to unlocking this brutal mystery! This adventure-filled Elseworlds-type story will leave you breathless! Gary Whitta (Rogue One: A Star Wars Story) and Darick Robertson (The Boys) have joined forces to tell a brutal and shocking adventure that will turn everything you think you know about Superman upside down! Collects BATMAN: FORTRESS #1-8.