The Marvel Universe is expanding in a big way April 1st when Disney XD launches an entire Marvel block of television. The newest—and biggest—addition is "Ultimate Spider-Man," which we've previously covered. The series features Peter Parker approximately 1 year after he's become Spider-Man. Parker still isn't comfortable with his new role, so he enlists the help of Nick Fury to train him. Fury agrees to take on Parker, but only if Parker trains with other teenage superheroes. "Ultimate Spider-Man" premieres at 11:00am EST with the episode "Great Power." A second episode follows, entitled "Great Responsibility." Following "Ultimate Spider-Man" will be the second season of "Avengers: Earth's Mightiest Heroes." If you didn't catch any of the first season, check out reruns on Disney XD or on Netflix. Warning: the show has quite possibly the most addictive theme song in the history of television (I'm singing "Always we will fight as one" over and over in my head as I write this post). The Marvel Universe block will also feature some short form programming to introduce the world of Marvel to fans of all ages. Here is a synopsis of each of those: "Fury Files" - Top-secret access to S.H.I.E.L.D. video dossiers on key Marvel heroes, including Iron Fist, Power Man, Nova and White Tiger and the villains they face, are animated with mix of traditional animation and motion comic art. "Marvel Mash-Up"– The Marvel Universe is turned upside down with these hilarious and unexpected takes on iconic Marvel heroes and villains, featuring classic animation edited with a comedic twist. "Animated Reality" - Stunt and special effects experts showcase the epic moves of favorite Marvel Super Heroes including Captain America and Spider-Man. "What Would It Take?" – Get a glimpse into the science and modern technology required to create the heroes' gadgets, abilities and tech in real life, ranging from Iron Man's jet propulsion boots to Iron Fist's power-packed punch. "Master Class" - Marvel's Chief Creative Officer, Joe Quesada, explains the artistic vision behind Marvel's greatest Super Heroes and shows how artists bring them to life. Check out the Marvel Universe TV block on Disney XD beginning April 1.