Meet Sophia Turner, the basis for the Clara Strike character in the Castle graphic novel, in this Monday's new episode of "Castle" at 10:00 p.m. ET!

Jessica Drew sets out to hunt a rogue Skrull in this clip from "Spider-Woman: Agent of S.W.O.R.D.," now available in the "Marvel Knights Animation Collection"!

Wolverine and Cyclops run into some trouble in Japan in this exclusive clip from Friday's new episode of "X-Men," premiering at 11:00 p.m. ET on G4!

Catch a clip of "The Avengers Unmasked: Masters of Evil," available exclusively on "The Avengers: Earth's Mightiest Heroes!" Vol. 3, now on DVD!

Spidey and Nova join in some friendly competition in this clip from Sunday's all-new episode of "Ultimate Spider-Man," premiering at 11:00 a.m. ET inside Marvel Universe on Disney XD!

Iron Man butts heads with S.H.I.E.L.D. Director Maria Hill in a clip from Sunday's all-new episode of "The Avengers: Earth's Mightiest Heroes!" premiering Sunday at 11:30 a.m. ET inside Marvel Universe on Disney XD!

Peter Parker runs into Midtown High's bully, but another unpleasant surprise awaits them as the Venom symbiote shows up in Sunday's all-new episode of "Ultimate Spider-Man," premiering at 11:00 a.m. ET inside Marvel Universe on Disney XD!

Check out this exclusive new clip from the action-packed "Iron Man" anime finale this Friday at 11:00 p.m. ET on G4!

Hulk crash-lands on the planet Sakaar in this clip from "The Super Hero Squad Show," only to discover some natives ganging up on one of their own!

The Impossible Man faces the Dark Surfer in this clip from "The Super Hero Squad Show." Check your local listings for “The Super Hero Squad Show” on The Hub Television network!

Doctor Doom consults his villainous allies in this clip from "The Super Hero Squad Show." Check your local listings for “The Super Hero Squad Show” on The Hub Television network!

Spidey's got a new suit courtesy of Iron Man, and he isn't afraid to put it to use in Sunday's all-new episode of "Ultimate Spider-Man" at 11:00 a.m. ET inside Marvel Universe on Disney XD!

Tony Stark suits up in this exclusive clip from Friday's new episode of "Iron Man," debuting at 11:00 a.m. ET on G4!

The Squaddies team up with special guest stars Ka-Zar (Kevin Sorbo) & Mr. Fantastic (James Marsters) in this new clip from "The Super Hero Squad Show"! Check your local listings for “The Super Hero Squad Show” on The Hub Television network!

Iron Man meets Werewolf By Night and the Man-Thing in this clip from "The Super Hero Squad Show"! Check your local listings for “The Super Hero Squad Show” on The Hub Television network!

Shellhead battles for his life in the skies of Japan in this exciting clip from the "Iron Man" anime DVD, on sale now!

Taskmaster matches Spidey move-for-move in this action-packed clip from this weekend's new "Ultimate Spider-Man," premiering Sunday morning at 11:00 a.m. ET inside Marvel Universe on Disney XD!

Yinsen prepares his endgame for Tony Stark in this exclusive clip from Friday's new episode of "Iron Man," premiering Friday, September 30 at 11:00 p.m. ET only on G4!

Power Man and Iron Fist, Heroes For Hire, give Ant-Man a helping hand in this Sunday's all-new episode of "The Avengers: Earth's Mightiest Heroes!!" at 11:30 a.m. ET inside Marvel Universe on Disney XD!

Logan and Yukio make their way through the deadly streets of Madripoor in this exclusive clip from Friday's new episode of "Wolverine," premiering at 11:30 p.m. ET only on G4!

Shellhead tracks down his former mentor, Yinsen, in this Marvel.com EXCLUSIVE clip from Friday's new episode of "Iron Man," premiering at 11:00 p.m. ET only on G4!