Worlds collide in this Transformers-G.I. Joe mash-up pack! The Decepticons and Cobra team up to conquer the world! Baroness and Megatron, disguised as a H.I.S.S. Tank, plan the next Cobra attack. The Megatron H.I.S.S. Tank toy converts from robot to tank mode in 28 steps and comes with G.I. Joe Retro Baroness figure. Both figures feature deco and details based on the worlds of Transformers and G.I. Joe. Includes fusion cannon, backpack, and weapo..