The McDonalds Hot Wheels Battle Force 5 Fused set of happy meal toys 2011 includes the following McDonalds Hot Wheels cars:

Syfurious – red and black vehicle with yellow key
GearSlammer – grey and white vehicle with blue key
Synthrax – red and grey vehicle with dark grey key
Splitwire – orange vehicle with bright blue key
Rigsaw – grey and white vehicle with red key
Shatterbolt – grey and blue vehicle with orange key
Sky Knife – grey and red vehicle with black key
SonicSlash – white and purple vehicle with lime green key