A trailer for Marvel Vs Capcom 3 has been leaked onto YouTube, confirming the existence of the game before the official unveiling later today.

The trailer reveals a selection of Marvel and Capcom characters, including Capcom's Wolverine, Hulk and Iron Man, and Capcom's Ryu and Chris Redfield.

The trailer also confirms the game is being developed using Capcom's cross-platform MT Framework, the core behind Resident Evil 5 and the upcoming Lost Planet 2.

Earlier reports from Planet Xbox 360 also rumoured the inclusion of Spider-Man, Magneto and Storm.