BUILDING INSTRUCTIONS FOR 6867, Loki's™ Cosmic Cube Escape, Super Heroes. Set Number: 6867; Theme: Super Heroes; Launch Year: 2012 Download official LEGO® building instructions online for 6867, Loki's™ Cosmic Cube Escape, LEGO Super Heroes and get building fast! LEGO Loki's Cosmic Cube Escape Set 6867 Instructions Viewer. If you've lost your original instructions, or just want to try building something new, these are the Download LEGO instructions on your computer or mobile device for Loki's Cosmic Cube Escape set number 6867 to help you build these LEGO sets.These are the instructions for building the LEGO Marvel Super Heroes Loki's Cosmic Cube Escape that was released in 2012. Unfortunately we don't have the Design IDs, 99057, 98742. Set Number, 6867-1. Item No's, 6011751, 6013279, 6013282, 6024049, 6024050. BOID, 544557. Year Released, 2012. Instructions