[Update]: Deadline has confirmed Elba's deal has closed for the film and he will be co-starring.
Idris Elba may star opposite Charlie Hunnam in Pacific Rim, Guillermo del Toro's next directorial effort.
Elba is seen this summer in Thor and he's presently shooting Prometheus for Ridley Scott.
If Elba signs aboard, Rim he'll play one of the many characters contending with gargantuan monsters that have invaded earth. The human resistance fights back with their own giant robots.
The film is on track for a 2013 release.
Source: The Wrap