Force field generation

Examples of use

 * Fantastic Four 221: Susan Richards traveled by force field bubble while scouting the inside of the Flb'Dbi space ship. She then used it to bring the Flb'Dbi to the surface of the Arctic.
 * Fantastic Four 232: Susan Richards created a force field sled to avoid an earth elemental. She later cast a force field over top of Ben Grimm to protect him from the water elemental.