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Hulk catches up with Speed Demon in a new clip from this week's "Marvel's Avengers Assemble," airing Sunday at 8:30 AM ET on Disney XD!

"Terminal Velocity" Clip 1

Hulk catches up with Speed Demon in a new clip from this week's "Marvel's Avengers Assemble," airing Sunday at 8:30 AM ET on Disney XD!

Hulk catches up with Speed Demon in a new clip from this week's "Marvel's Avengers Assemble," airing Sunday at 8:30 AM ET on Disney XD!

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