There are only 2 Transformers comic releases this week, with the first being a reprint and the second being a preview comic for IDW's upcoming Transformers titles this summer.
Transformers: Best of the UK Space Pirates #2 continues the Marvel UK reprints, this time with the Space Pirates story. Issues #1 was released last month.
Transformers: Focus on Depecticons is a preview issue that contains an 8 page preview of the first issue of Transformers: All Hail Megatron, that starts in July. There is also some extra material, but this hasn't been confirmed.