When will TU14 update for Minecraft Xbox 360 come out?

Minecraft Xbox 360 edition minecraft will be released in March or April 2014.

features:

witches
wither
wither skeleton
anvil (item)

The new Title Update (TU) 14, should be released around the end of March or early April. There's no set release date.

It will include features such as:
Jungle Temples
Desert Temples
Desert Villages
Sideways wood
Stone walls
Anvils
Tripwires
Potatoes
Carrots
Emeralds
Villager Trading
Nether Quartz… And more!