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That looks quite a lot like you've just cross-threaded the first couple of threads. I'd back it out and carefully put it back in straighter and with a bit of care you should be able catch the right threads. A good start will be to put the pedal in the other side of the crank with plenty of grease and tighten it all the way up as it should tidy up the thread in the crank thread. If you've got a needle file or a scriber, it might help if you can use the pointy end to clear the debris out the threads. Use plenty of grease again to help it back in the right way.
I hit a pothole nice and hard the other day and my pedal/cranks ended up looking like this. Now I can't get the pedal back into the crank further than the second image without a lot of force and it's going in at an angle. I guess I've knackered the threads? What are my options for sorting this out? Get someone mechanically competent to drill a slightly larger diameter hole in the crank arm and install an M8 helicoil?
I have another (nicer) crankset sitting in my parts bin that was going to go on when the weather was nicer but it seems a waste to write these off after less than a year's use.
Edit: photos are in reverse order. The photo featuring my feet is immediately after the pothole incident, the photo in the kitchen is me trying to sort it out.
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