Looks like Bumblebee is set to upgrade his robot mode in Transformers 4 Age of Extinction, check out this film clap board it was spotted on the film set in Hong Kong:
Here’s a closeup:

Bumblebee is no robot pet anymore: his plasma arm canon and his shield make him a real war machine!
Anyway, a few more pictures from the set:
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And two new spy videos:
The movie Transformers 4 is starring Mark Wahlberg, Nicola Peltz, and Jack Reynor.
Release date: June 27, 2014.
:)