Even though Viz Media has yet to announce home video rights to the Tiger & Bunny movies, this Siren Visual news couldn't make it much more clear. I would expect the first movie to be released on Blu-ray and DVD sometime this summer from Viz Media.
via ANN AU
Siren Visual announces Tiger & Bunny The Movie - The Beginning
At Perth's Wai-Con Siren Visual announced that they will be releasing Tiger & Bunny The Movie - The Beginning sometime around July 2013 and Tiger & Bunny The Movie -The Rising- sometime in the near future with both movies on Blu-Ray and DVD.