Ultimate Spider-Man: Gaining his powers from a radioactive spider, Miles Morales possesses all of the original Spider-Man's powers -- strength, speed, stickiness -- plus two bonus-powers: invisibility and a paralyzing touch. When his world's Peter Parker was killed, Miles decided to fill his shoes ad the new Spider-Man.
Ultimate Captain America: Injected with a super-soldier formula that made him America's secret weapon in World War II, Steve Rogers was frozen in the ice near the end of the war. Thawed out years later, Cap found himself in a world that has passed him by, and learned that his old enemies, the Chitauri, were still a threat to Earth.