While there is currently an animated Rey Mysterio series currently in the works that will be landing on Cartoon Network, this upcoming project appears to be unrelated as things stand and may focus on other big-name superstars.
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As we've seen, Shinso might have assisted 1-A in the preliminary battle, but he is going to be head to head with Midoriya in a later match in the training exercise. On top of the power of his Quirk, Shinso has also been training alongside the former vigilante turned teacher in Eraserhead, learning to harness the power of his "cloth" to make himself far more of an offensive and defensive threat to his opponents.