Warner Bros has announced plans to release both “Green Lantern” and “Sucker Punch” in – groan – 3D.

After the success of “Avatar”, the Burbank shingle has become frequently more interested in utilizing the technology. They converted “Clash of the Titans” to 3-D after the film had wrapped, as they did “Harry Potter and the Deathly Hallows : Part 1″.

“Sucker Punch”, an action fantasy by Zack Snyder (“Watchmen”) starring Abbie Cornish and Vanessa Hudgens, is due for release in March of 2011. “Green Lantern”, directed by Martin Campbell and starring Ryan Reynolds as the emerald avenger, is in theatres that July.

The Hollywood Reporter has more…