Captain Universe has joined the Avengers! But who - or what - is this cosmic hero? In times of crisis, the Enigma Force manifests, empowering an innocent bystander to avert the catastrophe! See Captain Universe touch the lives of an astronaut, twin sisters, a burglar, a troubled teen, a toddler, Spider-Man's college professor...and a dog?! It's an all-star assemblage of the Uni-Power's earliest appearances! Collecting MARVEL SPOTLIGHT (1979) #9-11, and material from MARVEL FANFARE (1982) #25, WEB OF SPIDER-MAN ANNUAL #5-6, and WHAT IF? (1989) #31.