Artwork inside new Lego Super Hero toys confirms the game is in development.
Lego Batman 2 will be available for Wii, 3DS, 360 and PlayStation formats.
Lego's new Super Hero line of building sets are due for official release in 2012, but some US retailers are already stocking them.
The instruction books feature ads for 'Lego Batman 2 - Super Heroes', with artwork including Superman and Wonder Woman. Those two are also getting their own Lego sets. In fact, the construction kits are due to feature a range of DC characters, from fellow hero Green Lantern to villains such as Lex Luthor and The Joker, so many have speculated they too will appear in the new game.
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