Tonight I was at Rona and picked up a couple of pieces I thought might work. I didn't have Megatron with me so I had to guess on sizing.
First I picked up these for $5:
Then I also grabbed these which look much nicer but I wasn't sure they would fit. They were about $6 for a pack of 2:
They ended up working perfectly! I haven't mounted it on the wall yet but here it is on the floor with the hooks in place: