Canon EF 24-70mm f/2.8 II
Three new lenses from Canon leaked out today. In addition to the Canon EF 24-70mm f/2.8 II (note the 82mm filter thread) above, check out the 24mm and 28mm stabilized primes below.
Canon EF 24mm f/2.8 IS USM
Canon EF 28mm f/2.8 IS USM
[via Canon Rumors 1, 2, 3]