Robert Kirkman 
Infinite Vol. 1 

Collects THE INFINITE #1-4. Freedom fighter Bowen has lost everything in the war against The Infinite. His only hope, travel back in time to prevent their world domination before it starts! Bowen can ‚t do this alone, he must turn to the only ally he knows he can trust: HIMSELF. Now a man in his 40s, damaged by the horrors of war, must team-up with his younger, reckless and optimistic 20 year-old self in order to SAVE THE WORLD!